Home / 724,882.48-1,000,340.14-402,592.52

Finding the Fourth Proportional to 724,882.48, 1,000,340.14 and 402,592.52

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Solution

The fourth proportional to 724,882.48, 1,000,340.14 and 402,592.52 is: 555,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,882.48 : 1,000,340.14 = 402,592.52 : x
  2. Step 2: Convert to fraction form
    724,882.48/1,000,340.14 = 402,592.52/x
  3. Step 3: Cross multiply
    724,882.48x = 1,000,340.14 × 402,592.52
  4. Step 4: Simplify right side
    724,882.48x = 402,729,457,819.75
  5. Step 5: Solve for x
    x = 402,729,457,819.75/724,882.48
  6. Step 6: Final answer
    x = 555,578.96

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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.