Home / 721,546.97-1,082,015.94-216,179.79

Finding the Fourth Proportional to 721,546.97, 1,082,015.94 and 216,179.79

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Solution

The fourth proportional to 721,546.97, 1,082,015.94 and 216,179.79 is: 324,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,546.97 : 1,082,015.94 = 216,179.79 : x
  2. Step 2: Convert to fraction form
    721,546.97/1,082,015.94 = 216,179.79/x
  3. Step 3: Cross multiply
    721,546.97x = 1,082,015.94 × 216,179.79
  4. Step 4: Simplify right side
    721,546.97x = 233,909,978,685.85
  5. Step 5: Solve for x
    x = 233,909,978,685.85/721,546.97
  6. Step 6: Final answer
    x = 324,178.45

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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.