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Finding the Fourth Proportional to 894.52, 1,341.78 and 483.85

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Solution

The fourth proportional to 894.52, 1,341.78 and 483.85 is: 725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.52 : 1,341.78 = 483.85 : x
  2. Step 2: Convert to fraction form
    894.52/1,341.78 = 483.85/x
  3. Step 3: Cross multiply
    894.52x = 1,341.78 × 483.85
  4. Step 4: Simplify right side
    894.52x = 649,220.25
  5. Step 5: Solve for x
    x = 649,220.25/894.52
  6. Step 6: Final answer
    x = 725.78

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Double scale
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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.