Home / 801,426.60-1,202,139.90-381,522.60

Finding the Fourth Proportional to 801,426.60, 1,202,139.90 and 381,522.60

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Solution

The fourth proportional to 801,426.60, 1,202,139.90 and 381,522.60 is: 572,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,426.60 : 1,202,139.90 = 381,522.60 : x
  2. Step 2: Convert to fraction form
    801,426.60/1,202,139.90 = 381,522.60/x
  3. Step 3: Cross multiply
    801,426.60x = 1,202,139.90 × 381,522.60
  4. Step 4: Simplify right side
    801,426.60x = 458,643,540,211.74
  5. Step 5: Solve for x
    x = 458,643,540,211.74/801,426.60
  6. Step 6: Final answer
    x = 572,283.90

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Similar ratio
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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.