Home / 494,927.24-683,042.10-280,135.88

Finding the Fourth Proportional to 494,927.24, 683,042.10 and 280,135.88

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Solution

The fourth proportional to 494,927.24, 683,042.10 and 280,135.88 is: 386,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,927.24 : 683,042.10 = 280,135.88 : x
  2. Step 2: Convert to fraction form
    494,927.24/683,042.10 = 280,135.88/x
  3. Step 3: Cross multiply
    494,927.24x = 683,042.10 × 280,135.88
  4. Step 4: Simplify right side
    494,927.24x = 191,344,599,760.55
  5. Step 5: Solve for x
    x = 191,344,599,760.55/494,927.24
  6. Step 6: Final answer
    x = 386,611.57

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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.