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Finding the Fourth Proportional to 519,906.60, 779,704.38 and 270,452.52

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Solution

The fourth proportional to 519,906.60, 779,704.38 and 270,452.52 is: 405,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,906.60 : 779,704.38 = 270,452.52 : x
  2. Step 2: Convert to fraction form
    519,906.60/779,704.38 = 270,452.52/x
  3. Step 3: Cross multiply
    519,906.60x = 779,704.38 × 270,452.52
  4. Step 4: Simplify right side
    519,906.60x = 210,873,014,426.04
  5. Step 5: Solve for x
    x = 210,873,014,426.04/519,906.60
  6. Step 6: Final answer
    x = 405,597.88

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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.