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Finding the Fourth Proportional to 717.62, 983.87 and 704.66

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Solution

The fourth proportional to 717.62, 983.87 and 704.66 is: 966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    717.62 : 983.87 = 704.66 : x
  2. Step 2: Convert to fraction form
    717.62/983.87 = 704.66/x
  3. Step 3: Cross multiply
    717.62x = 983.87 × 704.66
  4. Step 4: Simplify right side
    717.62x = 693,290.31
  5. Step 5: Solve for x
    x = 693,290.31/717.62
  6. Step 6: Final answer
    x = 966.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.