Home / 747,601.80-1,121,402.70-464,166.60

Finding the Fourth Proportional to 747,601.80, 1,121,402.70 and 464,166.60

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Solution

The fourth proportional to 747,601.80, 1,121,402.70 and 464,166.60 is: 696,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,601.80 : 1,121,402.70 = 464,166.60 : x
  2. Step 2: Convert to fraction form
    747,601.80/1,121,402.70 = 464,166.60/x
  3. Step 3: Cross multiply
    747,601.80x = 1,121,402.70 × 464,166.60
  4. Step 4: Simplify right side
    747,601.80x = 520,517,678,489.82
  5. Step 5: Solve for x
    x = 520,517,678,489.82/747,601.80
  6. Step 6: Final answer
    x = 696,249.90

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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.