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Finding the Fourth Proportional to 977,497.80, 1,466,246.70 and 499,200.90

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Solution

The fourth proportional to 977,497.80, 1,466,246.70 and 499,200.90 is: 748,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,497.80 : 1,466,246.70 = 499,200.90 : x
  2. Step 2: Convert to fraction form
    977,497.80/1,466,246.70 = 499,200.90/x
  3. Step 3: Cross multiply
    977,497.80x = 1,466,246.70 × 499,200.90
  4. Step 4: Simplify right side
    977,497.80x = 731,951,672,262.03
  5. Step 5: Solve for x
    x = 731,951,672,262.03/977,497.80
  6. Step 6: Final answer
    x = 748,801.35

Related Problems

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Half scale
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Double scale
Find fourth proportional to 977,498.80, 1,466,248.20 and 499,201.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.