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Finding the Fourth Proportional to 656,490.30, 982,548.45 and 476,062.80

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Solution

The fourth proportional to 656,490.30, 982,548.45 and 476,062.80 is: 712,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,490.30 : 982,548.45 = 476,062.80 : x
  2. Step 2: Convert to fraction form
    656,490.30/982,548.45 = 476,062.80/x
  3. Step 3: Cross multiply
    656,490.30x = 982,548.45 × 476,062.80
  4. Step 4: Simplify right side
    656,490.30x = 467,754,766,242.66
  5. Step 5: Solve for x
    x = 467,754,766,242.66/656,490.30
  6. Step 6: Final answer
    x = 712,508.27

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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.