Home / 732,400.40-1,098,600.60-721,902.80

Finding the Fourth Proportional to 732,400.40, 1,098,600.60 and 721,902.80

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Solution

The fourth proportional to 732,400.40, 1,098,600.60 and 721,902.80 is: 1,082,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,400.40 : 1,098,600.60 = 721,902.80 : x
  2. Step 2: Convert to fraction form
    732,400.40/1,098,600.60 = 721,902.80/x
  3. Step 3: Cross multiply
    732,400.40x = 1,098,600.60 × 721,902.80
  4. Step 4: Simplify right side
    732,400.40x = 793,082,849,221.68
  5. Step 5: Solve for x
    x = 793,082,849,221.68/732,400.40
  6. Step 6: Final answer
    x = 1,082,854.20

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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.