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Finding the Fourth Proportional to 510,691.58, 764,597.20 and 270,260.90

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Solution

The fourth proportional to 510,691.58, 764,597.20 and 270,260.90 is: 404,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,691.58 : 764,597.20 = 270,260.90 : x
  2. Step 2: Convert to fraction form
    510,691.58/764,597.20 = 270,260.90/x
  3. Step 3: Cross multiply
    510,691.58x = 764,597.20 × 270,260.90
  4. Step 4: Simplify right side
    510,691.58x = 206,640,727,409.48
  5. Step 5: Solve for x
    x = 206,640,727,409.48/510,691.58
  6. Step 6: Final answer
    x = 404,629.20

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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.