Home / 721,578.92-1,082,432.10-189,097.88

Finding the Fourth Proportional to 721,578.92, 1,082,432.10 and 189,097.88

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Solution

The fourth proportional to 721,578.92, 1,082,432.10 and 189,097.88 is: 283,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,578.92 : 1,082,432.10 = 189,097.88 : x
  2. Step 2: Convert to fraction form
    721,578.92/1,082,432.10 = 189,097.88/x
  3. Step 3: Cross multiply
    721,578.92x = 1,082,432.10 × 189,097.88
  4. Step 4: Simplify right side
    721,578.92x = 204,685,615,353.95
  5. Step 5: Solve for x
    x = 204,685,615,353.95/721,578.92
  6. Step 6: Final answer
    x = 283,663.52

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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.