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Finding the Fourth Proportional to 759.00, 1,052.19 and 717.42

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Solution

The fourth proportional to 759.00, 1,052.19 and 717.42 is: 994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.00 : 1,052.19 = 717.42 : x
  2. Step 2: Convert to fraction form
    759.00/1,052.19 = 717.42/x
  3. Step 3: Cross multiply
    759.00x = 1,052.19 × 717.42
  4. Step 4: Simplify right side
    759.00x = 754,861.66
  5. Step 5: Solve for x
    x = 754,861.66/759.00
  6. Step 6: Final answer
    x = 994.55

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.