Home / 494,621.76-682,593.48-279,757.62

Finding the Fourth Proportional to 494,621.76, 682,593.48 and 279,757.62

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Solution

The fourth proportional to 494,621.76, 682,593.48 and 279,757.62 is: 386,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,621.76 : 682,593.48 = 279,757.62 : x
  2. Step 2: Convert to fraction form
    494,621.76/682,593.48 = 279,757.62/x
  3. Step 3: Cross multiply
    494,621.76x = 682,593.48 × 279,757.62
  4. Step 4: Simplify right side
    494,621.76x = 190,960,727,392.32
  5. Step 5: Solve for x
    x = 190,960,727,392.32/494,621.76
  6. Step 6: Final answer
    x = 386,074.25

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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.