Home / 494,634.25-682,595.31-279,769.69

Finding the Fourth Proportional to 494,634.25, 682,595.31 and 279,769.69

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Solution

The fourth proportional to 494,634.25, 682,595.31 and 279,769.69 is: 386,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,634.25 : 682,595.31 = 279,769.69 : x
  2. Step 2: Convert to fraction form
    494,634.25/682,595.31 = 279,769.69/x
  3. Step 3: Cross multiply
    494,634.25x = 682,595.31 × 279,769.69
  4. Step 4: Simplify right side
    494,634.25x = 190,969,478,274.15
  5. Step 5: Solve for x
    x = 190,969,478,274.15/494,634.25
  6. Step 6: Final answer
    x = 386,082.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.