Home / 494,516.43-682,447.53-279,652.19

Finding the Fourth Proportional to 494,516.43, 682,447.53 and 279,652.19

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Solution

The fourth proportional to 494,516.43, 682,447.53 and 279,652.19 is: 385,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,516.43 : 682,447.53 = 279,652.19 : x
  2. Step 2: Convert to fraction form
    494,516.43/682,447.53 = 279,652.19/x
  3. Step 3: Cross multiply
    494,516.43x = 682,447.53 × 279,652.19
  4. Step 4: Simplify right side
    494,516.43x = 190,847,942,912.35
  5. Step 5: Solve for x
    x = 190,847,942,912.35/494,516.43
  6. Step 6: Final answer
    x = 385,928.42

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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.