Home / 847,331.96-1,270,996.88-216,245.79

Finding the Fourth Proportional to 847,331.96, 1,270,996.88 and 216,245.79

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Solution

The fourth proportional to 847,331.96, 1,270,996.88 and 216,245.79 is: 324,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,331.96 : 1,270,996.88 = 216,245.79 : x
  2. Step 2: Convert to fraction form
    847,331.96/1,270,996.88 = 216,245.79/x
  3. Step 3: Cross multiply
    847,331.96x = 1,270,996.88 × 216,245.79
  4. Step 4: Simplify right side
    847,331.96x = 274,847,723,321.91
  5. Step 5: Solve for x
    x = 274,847,723,321.91/847,331.96
  6. Step 6: Final answer
    x = 324,368.42

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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.