Home / 494,932.28-683,019.78-268,577.96

Finding the Fourth Proportional to 494,932.28, 683,019.78 and 268,577.96

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Solution

The fourth proportional to 494,932.28, 683,019.78 and 268,577.96 is: 370,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,932.28 : 683,019.78 = 268,577.96 : x
  2. Step 2: Convert to fraction form
    494,932.28/683,019.78 = 268,577.96/x
  3. Step 3: Cross multiply
    494,932.28x = 683,019.78 × 268,577.96
  4. Step 4: Simplify right side
    494,932.28x = 183,444,059,152.05
  5. Step 5: Solve for x
    x = 183,444,059,152.05/494,932.28
  6. Step 6: Final answer
    x = 370,644.77

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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.