Home / 663,387.20-995,080.80-264,003.20

Finding the Fourth Proportional to 663,387.20, 995,080.80 and 264,003.20

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Solution

The fourth proportional to 663,387.20, 995,080.80 and 264,003.20 is: 396,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,387.20 : 995,080.80 = 264,003.20 : x
  2. Step 2: Convert to fraction form
    663,387.20/995,080.80 = 264,003.20/x
  3. Step 3: Cross multiply
    663,387.20x = 995,080.80 × 264,003.20
  4. Step 4: Simplify right side
    663,387.20x = 262,704,515,458.56
  5. Step 5: Solve for x
    x = 262,704,515,458.56/663,387.20
  6. Step 6: Final answer
    x = 396,004.80

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Similar ratio
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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.