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Finding the Fourth Proportional to 1,044.89, 1,442.48 and 652.04

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Solution

The fourth proportional to 1,044.89, 1,442.48 and 652.04 is: 900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.89 : 1,442.48 = 652.04 : x
  2. Step 2: Convert to fraction form
    1,044.89/1,442.48 = 652.04/x
  3. Step 3: Cross multiply
    1,044.89x = 1,442.48 × 652.04
  4. Step 4: Simplify right side
    1,044.89x = 940,544.19
  5. Step 5: Solve for x
    x = 940,544.19/1,044.89
  6. Step 6: Final answer
    x = 900.14

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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.