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Finding the Fourth Proportional to 644,857.70, 967,286.55 and 495,850.10

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Solution

The fourth proportional to 644,857.70, 967,286.55 and 495,850.10 is: 743,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,857.70 : 967,286.55 = 495,850.10 : x
  2. Step 2: Convert to fraction form
    644,857.70/967,286.55 = 495,850.10/x
  3. Step 3: Cross multiply
    644,857.70x = 967,286.55 × 495,850.10
  4. Step 4: Simplify right side
    644,857.70x = 479,629,132,546.16
  5. Step 5: Solve for x
    x = 479,629,132,546.16/644,857.70
  6. Step 6: Final answer
    x = 743,775.15

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Double scale
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Similar ratio
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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.