Home / 494,926.24-683,040.72-280,134.88

Finding the Fourth Proportional to 494,926.24, 683,040.72 and 280,134.88

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Solution

The fourth proportional to 494,926.24, 683,040.72 and 280,134.88 is: 386,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,926.24 : 683,040.72 = 280,134.88 : x
  2. Step 2: Convert to fraction form
    494,926.24/683,040.72 = 280,134.88/x
  3. Step 3: Cross multiply
    494,926.24x = 683,040.72 × 280,134.88
  4. Step 4: Simplify right side
    494,926.24x = 191,343,530,132.31
  5. Step 5: Solve for x
    x = 191,343,530,132.31/494,926.24
  6. Step 6: Final answer
    x = 386,610.19

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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.