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Finding the Fourth Proportional to 1,044.38, 1,441.19 and 572.18

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Solution

The fourth proportional to 1,044.38, 1,441.19 and 572.18 is: 789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.38 : 1,441.19 = 572.18 : x
  2. Step 2: Convert to fraction form
    1,044.38/1,441.19 = 572.18/x
  3. Step 3: Cross multiply
    1,044.38x = 1,441.19 × 572.18
  4. Step 4: Simplify right side
    1,044.38x = 824,620.84
  5. Step 5: Solve for x
    x = 824,620.84/1,044.38
  6. Step 6: Final answer
    x = 789.58

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1.5x scale

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.