Home / 681,398.10-1,022,097.15-208,082.70

Finding the Fourth Proportional to 681,398.10, 1,022,097.15 and 208,082.70

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Solution

The fourth proportional to 681,398.10, 1,022,097.15 and 208,082.70 is: 312,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,398.10 : 1,022,097.15 = 208,082.70 : x
  2. Step 2: Convert to fraction form
    681,398.10/1,022,097.15 = 208,082.70/x
  3. Step 3: Cross multiply
    681,398.10x = 1,022,097.15 × 208,082.70
  4. Step 4: Simplify right side
    681,398.10x = 212,680,734,634.31
  5. Step 5: Solve for x
    x = 212,680,734,634.31/681,398.10
  6. Step 6: Final answer
    x = 312,124.05

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Similar ratio
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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.