Home / 814,773.66-1,222,207.17-215,719.23

Finding the Fourth Proportional to 814,773.66, 1,222,207.17 and 215,719.23

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Solution

The fourth proportional to 814,773.66, 1,222,207.17 and 215,719.23 is: 323,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,773.66 : 1,222,207.17 = 215,719.23 : x
  2. Step 2: Convert to fraction form
    814,773.66/1,222,207.17 = 215,719.23/x
  3. Step 3: Cross multiply
    814,773.66x = 1,222,207.17 × 215,719.23
  4. Step 4: Simplify right side
    814,773.66x = 263,653,589,612.88
  5. Step 5: Solve for x
    x = 263,653,589,612.88/814,773.66
  6. Step 6: Final answer
    x = 323,591.20

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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.