Home / 680,882.05-1,021,027.68-231,482.21

Finding the Fourth Proportional to 680,882.05, 1,021,027.68 and 231,482.21

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Solution

The fourth proportional to 680,882.05, 1,021,027.68 and 231,482.21 is: 347,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,882.05 : 1,021,027.68 = 231,482.21 : x
  2. Step 2: Convert to fraction form
    680,882.05/1,021,027.68 = 231,482.21/x
  3. Step 3: Cross multiply
    680,882.05x = 1,021,027.68 × 231,482.21
  4. Step 4: Simplify right side
    680,882.05x = 236,349,738,732.43
  5. Step 5: Solve for x
    x = 236,349,738,732.43/680,882.05
  6. Step 6: Final answer
    x = 347,122.88

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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.