Home / 987,227.20-1,480,840.79-239,273.20

Finding the Fourth Proportional to 987,227.20, 1,480,840.79 and 239,273.20

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Solution

The fourth proportional to 987,227.20, 1,480,840.79 and 239,273.20 is: 358,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,227.20 : 1,480,840.79 = 239,273.20 : x
  2. Step 2: Convert to fraction form
    987,227.20/1,480,840.79 = 239,273.20/x
  3. Step 3: Cross multiply
    987,227.20x = 1,480,840.79 × 239,273.20
  4. Step 4: Simplify right side
    987,227.20x = 354,325,514,513.83
  5. Step 5: Solve for x
    x = 354,325,514,513.83/987,227.20
  6. Step 6: Final answer
    x = 358,909.80

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Similar ratio
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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.