Home / 985,450.20-1,478,171.88-237,496.20

Finding the Fourth Proportional to 985,450.20, 1,478,171.88 and 237,496.20

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Solution

The fourth proportional to 985,450.20, 1,478,171.88 and 237,496.20 is: 356,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,450.20 : 1,478,171.88 = 237,496.20 : x
  2. Step 2: Convert to fraction form
    985,450.20/1,478,171.88 = 237,496.20/x
  3. Step 3: Cross multiply
    985,450.20x = 1,478,171.88 × 237,496.20
  4. Step 4: Simplify right side
    985,450.20x = 351,060,204,446.86
  5. Step 5: Solve for x
    x = 351,060,204,446.86/985,450.20
  6. Step 6: Final answer
    x = 356,243.48

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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.