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Finding the Fourth Proportional to 782,337.72, 1,173,448.26 and 249,915

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Solution

The fourth proportional to 782,337.72, 1,173,448.26 and 249,915 is: 374,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,337.72 : 1,173,448.26 = 249,915 : x
  2. Step 2: Convert to fraction form
    782,337.72/1,173,448.26 = 249,915/x
  3. Step 3: Cross multiply
    782,337.72x = 1,173,448.26 × 249,915
  4. Step 4: Simplify right side
    782,337.72x = 293,262,321,897.90
  5. Step 5: Solve for x
    x = 293,262,321,897.90/782,337.72
  6. Step 6: Final answer
    x = 374,853.87

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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.