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Finding the Fourth Proportional to 799.62, 1,103.92 and 601.56

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Solution

The fourth proportional to 799.62, 1,103.92 and 601.56 is: 830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.62 : 1,103.92 = 601.56 : x
  2. Step 2: Convert to fraction form
    799.62/1,103.92 = 601.56/x
  3. Step 3: Cross multiply
    799.62x = 1,103.92 × 601.56
  4. Step 4: Simplify right side
    799.62x = 664,074.12
  5. Step 5: Solve for x
    x = 664,074.12/799.62
  6. Step 6: Final answer
    x = 830.49

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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.