Home / 417,695.13-576,432.15-245,581.88

Finding the Fourth Proportional to 417,695.13, 576,432.15 and 245,581.88

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Solution

The fourth proportional to 417,695.13, 576,432.15 and 245,581.88 is: 338,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,695.13 : 576,432.15 = 245,581.88 : x
  2. Step 2: Convert to fraction form
    417,695.13/576,432.15 = 245,581.88/x
  3. Step 3: Cross multiply
    417,695.13x = 576,432.15 × 245,581.88
  4. Step 4: Simplify right side
    417,695.13x = 141,561,287,286.35
  5. Step 5: Solve for x
    x = 141,561,287,286.35/417,695.13
  6. Step 6: Final answer
    x = 338,910.55

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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.