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Finding the Fourth Proportional to 658,002.33, 987,003.45 and 358,734.57

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Solution

The fourth proportional to 658,002.33, 987,003.45 and 358,734.57 is: 538,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,002.33 : 987,003.45 = 358,734.57 : x
  2. Step 2: Convert to fraction form
    658,002.33/987,003.45 = 358,734.57/x
  3. Step 3: Cross multiply
    658,002.33x = 987,003.45 × 358,734.57
  4. Step 4: Simplify right side
    658,002.33x = 354,072,251,495.58
  5. Step 5: Solve for x
    x = 354,072,251,495.58/658,002.33
  6. Step 6: Final answer
    x = 538,101.82

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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.