Home / 721,549.96-1,082,020.44-216,182.79

Finding the Fourth Proportional to 721,549.96, 1,082,020.44 and 216,182.79

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Solution

The fourth proportional to 721,549.96, 1,082,020.44 and 216,182.79 is: 324,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,549.96 : 1,082,020.44 = 216,182.79 : x
  2. Step 2: Convert to fraction form
    721,549.96/1,082,020.44 = 216,182.79/x
  3. Step 3: Cross multiply
    721,549.96x = 1,082,020.44 × 216,182.79
  4. Step 4: Simplify right side
    721,549.96x = 233,914,198,366.91
  5. Step 5: Solve for x
    x = 233,914,198,366.91/721,549.96
  6. Step 6: Final answer
    x = 324,182.96

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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.