Home / 494,039.12-681,742.31-276,265.74

Finding the Fourth Proportional to 494,039.12, 681,742.31 and 276,265.74

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Solution

The fourth proportional to 494,039.12, 681,742.31 and 276,265.74 is: 381,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,039.12 : 681,742.31 = 276,265.74 : x
  2. Step 2: Convert to fraction form
    494,039.12/681,742.31 = 276,265.74/x
  3. Step 3: Cross multiply
    494,039.12x = 681,742.31 × 276,265.74
  4. Step 4: Simplify right side
    494,039.12x = 188,342,042,380.13
  5. Step 5: Solve for x
    x = 188,342,042,380.13/494,039.12
  6. Step 6: Final answer
    x = 381,229.01

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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.