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Finding the Fourth Proportional to 888,321.88, 1,333,073.31 and 415,044.15

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Solution

The fourth proportional to 888,321.88, 1,333,073.31 and 415,044.15 is: 622,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,321.88 : 1,333,073.31 = 415,044.15 : x
  2. Step 2: Convert to fraction form
    888,321.88/1,333,073.31 = 415,044.15/x
  3. Step 3: Cross multiply
    888,321.88x = 1,333,073.31 × 415,044.15
  4. Step 4: Simplify right side
    888,321.88x = 553,284,272,171.27
  5. Step 5: Solve for x
    x = 553,284,272,171.27/888,321.88
  6. Step 6: Final answer
    x = 622,842.11

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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.