Home / 666,839.17-999,001.23-329,487.13

Finding the Fourth Proportional to 666,839.17, 999,001.23 and 329,487.13

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Solution

The fourth proportional to 666,839.17, 999,001.23 and 329,487.13 is: 493,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,839.17 : 999,001.23 = 329,487.13 : x
  2. Step 2: Convert to fraction form
    666,839.17/999,001.23 = 329,487.13/x
  3. Step 3: Cross multiply
    666,839.17x = 999,001.23 × 329,487.13
  4. Step 4: Simplify right side
    666,839.17x = 329,158,048,139.17
  5. Step 5: Solve for x
    x = 329,158,048,139.17/666,839.17
  6. Step 6: Final answer
    x = 493,609.35

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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.