Home / 758,753.20-1,138,194.60-260,117.20

Finding the Fourth Proportional to 758,753.20, 1,138,194.60 and 260,117.20

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Solution

The fourth proportional to 758,753.20, 1,138,194.60 and 260,117.20 is: 390,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,753.20 : 1,138,194.60 = 260,117.20 : x
  2. Step 2: Convert to fraction form
    758,753.20/1,138,194.60 = 260,117.20/x
  3. Step 3: Cross multiply
    758,753.20x = 1,138,194.60 × 260,117.20
  4. Step 4: Simplify right side
    758,753.20x = 296,063,992,407.12
  5. Step 5: Solve for x
    x = 296,063,992,407.12/758,753.20
  6. Step 6: Final answer
    x = 390,198.01

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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.