Home / 715,760.28-1,073,612.34-242,445.60

Finding the Fourth Proportional to 715,760.28, 1,073,612.34 and 242,445.60

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Solution

The fourth proportional to 715,760.28, 1,073,612.34 and 242,445.60 is: 363,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,760.28 : 1,073,612.34 = 242,445.60 : x
  2. Step 2: Convert to fraction form
    715,760.28/1,073,612.34 = 242,445.60/x
  3. Step 3: Cross multiply
    715,760.28x = 1,073,612.34 × 242,445.60
  4. Step 4: Simplify right side
    715,760.28x = 260,292,587,938.70
  5. Step 5: Solve for x
    x = 260,292,587,938.70/715,760.28
  6. Step 6: Final answer
    x = 363,658.89

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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.