Home / 724,882.16-1,000,324.68-402,579.92

Finding the Fourth Proportional to 724,882.16, 1,000,324.68 and 402,579.92

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Solution

The fourth proportional to 724,882.16, 1,000,324.68 and 402,579.92 is: 555,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,882.16 : 1,000,324.68 = 402,579.92 : x
  2. Step 2: Convert to fraction form
    724,882.16/1,000,324.68 = 402,579.92/x
  3. Step 3: Cross multiply
    724,882.16x = 1,000,324.68 × 402,579.92
  4. Step 4: Simplify right side
    724,882.16x = 402,710,629,648.43
  5. Step 5: Solve for x
    x = 402,710,629,648.43/724,882.16
  6. Step 6: Final answer
    x = 555,553.24

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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.