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Finding the Fourth Proportional to 1,073.72, 1,481.64 and 601.58

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Solution

The fourth proportional to 1,073.72, 1,481.64 and 601.58 is: 830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073.72 : 1,481.64 = 601.58 : x
  2. Step 2: Convert to fraction form
    1,073.72/1,481.64 = 601.58/x
  3. Step 3: Cross multiply
    1,073.72x = 1,481.64 × 601.58
  4. Step 4: Simplify right side
    1,073.72x = 891,324.99
  5. Step 5: Solve for x
    x = 891,324.99/1,073.72
  6. Step 6: Final answer
    x = 830.13

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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.