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Finding the Fourth Proportional to 609,951.52, 841,708.80 and 338,031.04

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Solution

The fourth proportional to 609,951.52, 841,708.80 and 338,031.04 is: 466,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,951.52 : 841,708.80 = 338,031.04 : x
  2. Step 2: Convert to fraction form
    609,951.52/841,708.80 = 338,031.04/x
  3. Step 3: Cross multiply
    609,951.52x = 841,708.80 × 338,031.04
  4. Step 4: Simplify right side
    609,951.52x = 284,523,701,041.15
  5. Step 5: Solve for x
    x = 284,523,701,041.15/609,951.52
  6. Step 6: Final answer
    x = 466,469.37

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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.