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Finding the Fourth Proportional to 552,371.82, 762,265.85 and 310,654.30

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Solution

The fourth proportional to 552,371.82, 762,265.85 and 310,654.30 is: 428,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,371.82 : 762,265.85 = 310,654.30 : x
  2. Step 2: Convert to fraction form
    552,371.82/762,265.85 = 310,654.30/x
  3. Step 3: Cross multiply
    552,371.82x = 762,265.85 × 310,654.30
  4. Step 4: Simplify right side
    552,371.82x = 236,801,164,045.66
  5. Step 5: Solve for x
    x = 236,801,164,045.66/552,371.82
  6. Step 6: Final answer
    x = 428,698.85

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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.