Home / 724,296.10-1,086,444.15-424,920.10

Finding the Fourth Proportional to 724,296.10, 1,086,444.15 and 424,920.10

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Solution

The fourth proportional to 724,296.10, 1,086,444.15 and 424,920.10 is: 637,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,296.10 : 1,086,444.15 = 424,920.10 : x
  2. Step 2: Convert to fraction form
    724,296.10/1,086,444.15 = 424,920.10/x
  3. Step 3: Cross multiply
    724,296.10x = 1,086,444.15 × 424,920.10
  4. Step 4: Simplify right side
    724,296.10x = 461,651,956,862.42
  5. Step 5: Solve for x
    x = 461,651,956,862.42/724,296.10
  6. Step 6: Final answer
    x = 637,380.15

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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.