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Finding the Fourth Proportional to 650,687.02, 976,198.80 and 381,042.88

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Solution

The fourth proportional to 650,687.02, 976,198.80 and 381,042.88 is: 571,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,687.02 : 976,198.80 = 381,042.88 : x
  2. Step 2: Convert to fraction form
    650,687.02/976,198.80 = 381,042.88/x
  3. Step 3: Cross multiply
    650,687.02x = 976,198.80 × 381,042.88
  4. Step 4: Simplify right side
    650,687.02x = 371,973,602,204.54
  5. Step 5: Solve for x
    x = 371,973,602,204.54/650,687.02
  6. Step 6: Final answer
    x = 571,662.86

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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.