Home / 724,740.53-1,000,167.68-402,456.11

Finding the Fourth Proportional to 724,740.53, 1,000,167.68 and 402,456.11

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Solution

The fourth proportional to 724,740.53, 1,000,167.68 and 402,456.11 is: 555,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,740.53 : 1,000,167.68 = 402,456.11 : x
  2. Step 2: Convert to fraction form
    724,740.53/1,000,167.68 = 402,456.11/x
  3. Step 3: Cross multiply
    724,740.53x = 1,000,167.68 × 402,456.11
  4. Step 4: Simplify right side
    724,740.53x = 402,523,589,845.83
  5. Step 5: Solve for x
    x = 402,523,589,845.83/724,740.53
  6. Step 6: Final answer
    x = 555,403.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.