Home / 961,449.76-1,441,042.08-392,475.52

Finding the Fourth Proportional to 961,449.76, 1,441,042.08 and 392,475.52

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Solution

The fourth proportional to 961,449.76, 1,441,042.08 and 392,475.52 is: 588,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,449.76 : 1,441,042.08 = 392,475.52 : x
  2. Step 2: Convert to fraction form
    961,449.76/1,441,042.08 = 392,475.52/x
  3. Step 3: Cross multiply
    961,449.76x = 1,441,042.08 × 392,475.52
  4. Step 4: Simplify right side
    961,449.76x = 565,573,739,689.88
  5. Step 5: Solve for x
    x = 565,573,739,689.88/961,449.76
  6. Step 6: Final answer
    x = 588,250.96

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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.