Home / 498,392.08-687,781.92-272,037.76

Finding the Fourth Proportional to 498,392.08, 687,781.92 and 272,037.76

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Solution

The fourth proportional to 498,392.08, 687,781.92 and 272,037.76 is: 375,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,392.08 : 687,781.92 = 272,037.76 : x
  2. Step 2: Convert to fraction form
    498,392.08/687,781.92 = 272,037.76/x
  3. Step 3: Cross multiply
    498,392.08x = 687,781.92 × 272,037.76
  4. Step 4: Simplify right side
    498,392.08x = 187,102,652,885.30
  5. Step 5: Solve for x
    x = 187,102,652,885.30/498,392.08
  6. Step 6: Final answer
    x = 375,412.57

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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.