Home / 748,691.13-1,123,129.44-293,223.27

Finding the Fourth Proportional to 748,691.13, 1,123,129.44 and 293,223.27

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Solution

The fourth proportional to 748,691.13, 1,123,129.44 and 293,223.27 is: 439,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,691.13 : 1,123,129.44 = 293,223.27 : x
  2. Step 2: Convert to fraction form
    748,691.13/1,123,129.44 = 293,223.27/x
  3. Step 3: Cross multiply
    748,691.13x = 1,123,129.44 × 293,223.27
  4. Step 4: Simplify right side
    748,691.13x = 329,327,687,030.07
  5. Step 5: Solve for x
    x = 329,327,687,030.07/748,691.13
  6. Step 6: Final answer
    x = 439,871.23

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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.