Home / 494,958.28-683,042.90-268,603.78

Finding the Fourth Proportional to 494,958.28, 683,042.90 and 268,603.78

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Solution

The fourth proportional to 494,958.28, 683,042.90 and 268,603.78 is: 370,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,958.28 : 683,042.90 = 268,603.78 : x
  2. Step 2: Convert to fraction form
    494,958.28/683,042.90 = 268,603.78/x
  3. Step 3: Cross multiply
    494,958.28x = 683,042.90 × 268,603.78
  4. Step 4: Simplify right side
    494,958.28x = 183,467,904,842.16
  5. Step 5: Solve for x
    x = 183,467,904,842.16/494,958.28
  6. Step 6: Final answer
    x = 370,673.47

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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.