Home / 728,139.12-1,092,209.04-229,542

Finding the Fourth Proportional to 728,139.12, 1,092,209.04 and 229,542

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Solution

The fourth proportional to 728,139.12, 1,092,209.04 and 229,542 is: 344,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,139.12 : 1,092,209.04 = 229,542 : x
  2. Step 2: Convert to fraction form
    728,139.12/1,092,209.04 = 229,542/x
  3. Step 3: Cross multiply
    728,139.12x = 1,092,209.04 × 229,542
  4. Step 4: Simplify right side
    728,139.12x = 250,707,847,459.68
  5. Step 5: Solve for x
    x = 250,707,847,459.68/728,139.12
  6. Step 6: Final answer
    x = 344,313.11

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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.