Home / 977,491.80-1,466,237.70-499,194.90

Finding the Fourth Proportional to 977,491.80, 1,466,237.70 and 499,194.90

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Solution

The fourth proportional to 977,491.80, 1,466,237.70 and 499,194.90 is: 748,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,491.80 : 1,466,237.70 = 499,194.90 : x
  2. Step 2: Convert to fraction form
    977,491.80/1,466,237.70 = 499,194.90/x
  3. Step 3: Cross multiply
    977,491.80x = 1,466,237.70 × 499,194.90
  4. Step 4: Simplify right side
    977,491.80x = 731,938,382,027.73
  5. Step 5: Solve for x
    x = 731,938,382,027.73/977,491.80
  6. Step 6: Final answer
    x = 748,792.35

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Double scale
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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.