Home / 588,108.06-811,578.15-329,989.68

Finding the Fourth Proportional to 588,108.06, 811,578.15 and 329,989.68

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Solution

The fourth proportional to 588,108.06, 811,578.15 and 329,989.68 is: 455,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,108.06 : 811,578.15 = 329,989.68 : x
  2. Step 2: Convert to fraction form
    588,108.06/811,578.15 = 329,989.68/x
  3. Step 3: Cross multiply
    588,108.06x = 811,578.15 × 329,989.68
  4. Step 4: Simplify right side
    588,108.06x = 267,812,414,013.49
  5. Step 5: Solve for x
    x = 267,812,414,013.49/588,108.06
  6. Step 6: Final answer
    x = 455,379.60

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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.