Home / 680,834.97-1,021,186.85-207,524.43

Finding the Fourth Proportional to 680,834.97, 1,021,186.85 and 207,524.43

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Solution

The fourth proportional to 680,834.97, 1,021,186.85 and 207,524.43 is: 311,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,834.97 : 1,021,186.85 = 207,524.43 : x
  2. Step 2: Convert to fraction form
    680,834.97/1,021,186.85 = 207,524.43/x
  3. Step 3: Cross multiply
    680,834.97x = 1,021,186.85 × 207,524.43
  4. Step 4: Simplify right side
    680,834.97x = 211,921,217,932.12
  5. Step 5: Solve for x
    x = 211,921,217,932.12/680,834.97
  6. Step 6: Final answer
    x = 311,266.65

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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.