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Finding the Fourth Proportional to 996.79, 1,494.69 and 601.87

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Solution

The fourth proportional to 996.79, 1,494.69 and 601.87 is: 902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.79 : 1,494.69 = 601.87 : x
  2. Step 2: Convert to fraction form
    996.79/1,494.69 = 601.87/x
  3. Step 3: Cross multiply
    996.79x = 1,494.69 × 601.87
  4. Step 4: Simplify right side
    996.79x = 899,612.62
  5. Step 5: Solve for x
    x = 899,612.62/996.79
  6. Step 6: Final answer
    x = 902.51

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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.