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Finding the Fourth Proportional to 1,044.39, 1,441.02 and 624.68

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Solution

The fourth proportional to 1,044.39, 1,441.02 and 624.68 is: 861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.39 : 1,441.02 = 624.68 : x
  2. Step 2: Convert to fraction form
    1,044.39/1,441.02 = 624.68/x
  3. Step 3: Cross multiply
    1,044.39x = 1,441.02 × 624.68
  4. Step 4: Simplify right side
    1,044.39x = 900,176.91
  5. Step 5: Solve for x
    x = 900,176.91/1,044.39
  6. Step 6: Final answer
    x = 861.91

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Double scale
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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.