Home / 868,265.60-1,302,398.40-513,096.80

Finding the Fourth Proportional to 868,265.60, 1,302,398.40 and 513,096.80

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Solution

The fourth proportional to 868,265.60, 1,302,398.40 and 513,096.80 is: 769,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,265.60 : 1,302,398.40 = 513,096.80 : x
  2. Step 2: Convert to fraction form
    868,265.60/1,302,398.40 = 513,096.80/x
  3. Step 3: Cross multiply
    868,265.60x = 1,302,398.40 × 513,096.80
  4. Step 4: Simplify right side
    868,265.60x = 668,256,451,365.12
  5. Step 5: Solve for x
    x = 668,256,451,365.12/868,265.60
  6. Step 6: Final answer
    x = 769,645.20

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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.