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Finding the Fourth Proportional to 542,610.27, 748,787.97 and 300,892.08

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Solution

The fourth proportional to 542,610.27, 748,787.97 and 300,892.08 is: 415,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,610.27 : 748,787.97 = 300,892.08 : x
  2. Step 2: Convert to fraction form
    542,610.27/748,787.97 = 300,892.08/x
  3. Step 3: Cross multiply
    542,610.27x = 748,787.97 × 300,892.08
  4. Step 4: Simplify right side
    542,610.27x = 225,304,369,772.28
  5. Step 5: Solve for x
    x = 225,304,369,772.28/542,610.27
  6. Step 6: Final answer
    x = 415,223.19

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1.5x scale

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.