Home / 494,979.28-682,555.08-293,736.40

Finding the Fourth Proportional to 494,979.28, 682,555.08 and 293,736.40

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Solution

The fourth proportional to 494,979.28, 682,555.08 and 293,736.40 is: 405,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,979.28 : 682,555.08 = 293,736.40 : x
  2. Step 2: Convert to fraction form
    494,979.28/682,555.08 = 293,736.40/x
  3. Step 3: Cross multiply
    494,979.28x = 682,555.08 × 293,736.40
  4. Step 4: Simplify right side
    494,979.28x = 200,491,272,000.91
  5. Step 5: Solve for x
    x = 200,491,272,000.91/494,979.28
  6. Step 6: Final answer
    x = 405,049.83

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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.