Home / 494,427.43-682,323.24-279,599.50

Finding the Fourth Proportional to 494,427.43, 682,323.24 and 279,599.50

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Solution

The fourth proportional to 494,427.43, 682,323.24 and 279,599.50 is: 385,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,427.43 : 682,323.24 = 279,599.50 : x
  2. Step 2: Convert to fraction form
    494,427.43/682,323.24 = 279,599.50/x
  3. Step 3: Cross multiply
    494,427.43x = 682,323.24 × 279,599.50
  4. Step 4: Simplify right side
    494,427.43x = 190,777,236,742.38
  5. Step 5: Solve for x
    x = 190,777,236,742.38/494,427.43
  6. Step 6: Final answer
    x = 385,854.88

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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.