Home / 971,949.26-1,341,290.55-542,229.39

Finding the Fourth Proportional to 971,949.26, 1,341,290.55 and 542,229.39

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Solution

The fourth proportional to 971,949.26, 1,341,290.55 and 542,229.39 is: 748,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,949.26 : 1,341,290.55 = 542,229.39 : x
  2. Step 2: Convert to fraction form
    971,949.26/1,341,290.55 = 542,229.39/x
  3. Step 3: Cross multiply
    971,949.26x = 1,341,290.55 × 542,229.39
  4. Step 4: Simplify right side
    971,949.26x = 727,287,156,739.27
  5. Step 5: Solve for x
    x = 727,287,156,739.27/971,949.26
  6. Step 6: Final answer
    x = 748,276.88

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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.