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Finding the Fourth Proportional to 574,256.75, 861,779.60 and 200,279.75

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Solution

The fourth proportional to 574,256.75, 861,779.60 and 200,279.75 is: 300,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,256.75 : 861,779.60 = 200,279.75 : x
  2. Step 2: Convert to fraction form
    574,256.75/861,779.60 = 200,279.75/x
  3. Step 3: Cross multiply
    574,256.75x = 861,779.60 × 200,279.75
  4. Step 4: Simplify right side
    574,256.75x = 172,597,002,843.10
  5. Step 5: Solve for x
    x = 172,597,002,843.10/574,256.75
  6. Step 6: Final answer
    x = 300,557.20

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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.