Home / 749,062.40-1,123,593.60-327,891.20

Finding the Fourth Proportional to 749,062.40, 1,123,593.60 and 327,891.20

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Solution

The fourth proportional to 749,062.40, 1,123,593.60 and 327,891.20 is: 491,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,062.40 : 1,123,593.60 = 327,891.20 : x
  2. Step 2: Convert to fraction form
    749,062.40/1,123,593.60 = 327,891.20/x
  3. Step 3: Cross multiply
    749,062.40x = 1,123,593.60 × 327,891.20
  4. Step 4: Simplify right side
    749,062.40x = 368,416,453,816.32
  5. Step 5: Solve for x
    x = 368,416,453,816.32/749,062.40
  6. Step 6: Final answer
    x = 491,836.80

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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.