Home / 494,232.72-682,033.68-279,365.20

Finding the Fourth Proportional to 494,232.72, 682,033.68 and 279,365.20

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Solution

The fourth proportional to 494,232.72, 682,033.68 and 279,365.20 is: 385,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,232.72 : 682,033.68 = 279,365.20 : x
  2. Step 2: Convert to fraction form
    494,232.72/682,033.68 = 279,365.20/x
  3. Step 3: Cross multiply
    494,232.72x = 682,033.68 × 279,365.20
  4. Step 4: Simplify right side
    494,232.72x = 190,536,475,419.94
  5. Step 5: Solve for x
    x = 190,536,475,419.94/494,232.72
  6. Step 6: Final answer
    x = 385,519.75

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1.5x scale

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.