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Finding the Fourth Proportional to 659,324.56, 909,862.32 and 372,843.76

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Solution

The fourth proportional to 659,324.56, 909,862.32 and 372,843.76 is: 514,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,324.56 : 909,862.32 = 372,843.76 : x
  2. Step 2: Convert to fraction form
    659,324.56/909,862.32 = 372,843.76/x
  3. Step 3: Cross multiply
    659,324.56x = 909,862.32 × 372,843.76
  4. Step 4: Simplify right side
    659,324.56x = 339,236,488,471.12
  5. Step 5: Solve for x
    x = 339,236,488,471.12/659,324.56
  6. Step 6: Final answer
    x = 514,521.24

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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.