Home / 1,025.11-1,414.65-559.36

Finding the Fourth Proportional to 1,025.11, 1,414.65 and 559.36

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Solution

The fourth proportional to 1,025.11, 1,414.65 and 559.36 is: 771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.11 : 1,414.65 = 559.36 : x
  2. Step 2: Convert to fraction form
    1,025.11/1,414.65 = 559.36/x
  3. Step 3: Cross multiply
    1,025.11x = 1,414.65 × 559.36
  4. Step 4: Simplify right side
    1,025.11x = 791,298.62
  5. Step 5: Solve for x
    x = 791,298.62/1,025.11
  6. Step 6: Final answer
    x = 771.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.