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Finding the Fourth Proportional to 635,882.94, 953,488.53 and 280,729.26

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Solution

The fourth proportional to 635,882.94, 953,488.53 and 280,729.26 is: 420,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,882.94 : 953,488.53 = 280,729.26 : x
  2. Step 2: Convert to fraction form
    635,882.94/953,488.53 = 280,729.26/x
  3. Step 3: Cross multiply
    635,882.94x = 953,488.53 × 280,729.26
  4. Step 4: Simplify right side
    635,882.94x = 267,672,129,445.39
  5. Step 5: Solve for x
    x = 267,672,129,445.39/635,882.94
  6. Step 6: Final answer
    x = 420,945.61

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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.