Home / 728,932.20-1,093,398.30-410,067.60

Finding the Fourth Proportional to 728,932.20, 1,093,398.30 and 410,067.60

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Solution

The fourth proportional to 728,932.20, 1,093,398.30 and 410,067.60 is: 615,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,932.20 : 1,093,398.30 = 410,067.60 : x
  2. Step 2: Convert to fraction form
    728,932.20/1,093,398.30 = 410,067.60/x
  3. Step 3: Cross multiply
    728,932.20x = 1,093,398.30 × 410,067.60
  4. Step 4: Simplify right side
    728,932.20x = 448,367,216,725.08
  5. Step 5: Solve for x
    x = 448,367,216,725.08/728,932.20
  6. Step 6: Final answer
    x = 615,101.40

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Double scale
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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.