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Finding the Fourth Proportional to 658,019.44, 987,029.02 and 358,751.71

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Solution

The fourth proportional to 658,019.44, 987,029.02 and 358,751.71 is: 538,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,019.44 : 987,029.02 = 358,751.71 : x
  2. Step 2: Convert to fraction form
    658,019.44/987,029.02 = 358,751.71/x
  3. Step 3: Cross multiply
    658,019.44x = 987,029.02 × 358,751.71
  4. Step 4: Simplify right side
    658,019.44x = 354,098,348,744.62
  5. Step 5: Solve for x
    x = 354,098,348,744.62/658,019.44
  6. Step 6: Final answer
    x = 538,127.49

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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.