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Finding the Fourth Proportional to 866,659.52, 1,300,442.62 and 354,704.68

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Solution

The fourth proportional to 866,659.52, 1,300,442.62 and 354,704.68 is: 532,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,659.52 : 1,300,442.62 = 354,704.68 : x
  2. Step 2: Convert to fraction form
    866,659.52/1,300,442.62 = 354,704.68/x
  3. Step 3: Cross multiply
    866,659.52x = 1,300,442.62 × 354,704.68
  4. Step 4: Simplify right side
    866,659.52x = 461,273,083,385.46
  5. Step 5: Solve for x
    x = 461,273,083,385.46/866,659.52
  6. Step 6: Final answer
    x = 532,242.56

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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.