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Finding the Fourth Proportional to 844.96, 1,268.52 and 717.52

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Solution

The fourth proportional to 844.96, 1,268.52 and 717.52 is: 1,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.96 : 1,268.52 = 717.52 : x
  2. Step 2: Convert to fraction form
    844.96/1,268.52 = 717.52/x
  3. Step 3: Cross multiply
    844.96x = 1,268.52 × 717.52
  4. Step 4: Simplify right side
    844.96x = 910,188.47
  5. Step 5: Solve for x
    x = 910,188.47/844.96
  6. Step 6: Final answer
    x = 1,077.20

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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.