Home / 693,850.70-1,040,847.38-261,931.97

Finding the Fourth Proportional to 693,850.70, 1,040,847.38 and 261,931.97

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Solution

The fourth proportional to 693,850.70, 1,040,847.38 and 261,931.97 is: 392,924.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,850.70 : 1,040,847.38 = 261,931.97 : x
  2. Step 2: Convert to fraction form
    693,850.70/1,040,847.38 = 261,931.97/x
  3. Step 3: Cross multiply
    693,850.70x = 1,040,847.38 × 261,931.97
  4. Step 4: Simplify right side
    693,850.70x = 272,631,198,198.84
  5. Step 5: Solve for x
    x = 272,631,198,198.84/693,850.70
  6. Step 6: Final answer
    x = 392,924.88

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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.