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Finding the Fourth Proportional to 574,489.88, 862,128.54 and 200,512.88

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Solution

The fourth proportional to 574,489.88, 862,128.54 and 200,512.88 is: 300,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,489.88 : 862,128.54 = 200,512.88 : x
  2. Step 2: Convert to fraction form
    574,489.88/862,128.54 = 200,512.88/x
  3. Step 3: Cross multiply
    574,489.88x = 862,128.54 × 200,512.88
  4. Step 4: Simplify right side
    574,489.88x = 172,867,876,485.60
  5. Step 5: Solve for x
    x = 172,867,876,485.60/574,489.88
  6. Step 6: Final answer
    x = 300,906.74

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1.5x scale

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.