Home / 801,421.60-1,202,132.40-327,949.60

Finding the Fourth Proportional to 801,421.60, 1,202,132.40 and 327,949.60

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Solution

The fourth proportional to 801,421.60, 1,202,132.40 and 327,949.60 is: 491,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,421.60 : 1,202,132.40 = 327,949.60 : x
  2. Step 2: Convert to fraction form
    801,421.60/1,202,132.40 = 327,949.60/x
  3. Step 3: Cross multiply
    801,421.60x = 1,202,132.40 × 327,949.60
  4. Step 4: Simplify right side
    801,421.60x = 394,238,839,727.04
  5. Step 5: Solve for x
    x = 394,238,839,727.04/801,421.60
  6. Step 6: Final answer
    x = 491,924.40

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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.