Home / 663,508.25-995,262.38-220,276.25

Finding the Fourth Proportional to 663,508.25, 995,262.38 and 220,276.25

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Solution

The fourth proportional to 663,508.25, 995,262.38 and 220,276.25 is: 330,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,508.25 : 995,262.38 = 220,276.25 : x
  2. Step 2: Convert to fraction form
    663,508.25/995,262.38 = 220,276.25/x
  3. Step 3: Cross multiply
    663,508.25x = 995,262.38 × 220,276.25
  4. Step 4: Simplify right side
    663,508.25x = 219,232,664,832.48
  5. Step 5: Solve for x
    x = 219,232,664,832.48/663,508.25
  6. Step 6: Final answer
    x = 330,414.38

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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.