Home / 923,358.72-1,384,968.88-324,325.12

Finding the Fourth Proportional to 923,358.72, 1,384,968.88 and 324,325.12

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Solution

The fourth proportional to 923,358.72, 1,384,968.88 and 324,325.12 is: 486,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,358.72 : 1,384,968.88 = 324,325.12 : x
  2. Step 2: Convert to fraction form
    923,358.72/1,384,968.88 = 324,325.12/x
  3. Step 3: Cross multiply
    923,358.72x = 1,384,968.88 × 324,325.12
  4. Step 4: Simplify right side
    923,358.72x = 449,180,198,202.27
  5. Step 5: Solve for x
    x = 449,180,198,202.27/923,358.72
  6. Step 6: Final answer
    x = 486,463.37

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.