Home / 494,432.44-682,330.14-279,604.50

Finding the Fourth Proportional to 494,432.44, 682,330.14 and 279,604.50

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Solution

The fourth proportional to 494,432.44, 682,330.14 and 279,604.50 is: 385,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,432.44 : 682,330.14 = 279,604.50 : x
  2. Step 2: Convert to fraction form
    494,432.44/682,330.14 = 279,604.50/x
  3. Step 3: Cross multiply
    494,432.44x = 682,330.14 × 279,604.50
  4. Step 4: Simplify right side
    494,432.44x = 190,782,577,629.63
  5. Step 5: Solve for x
    x = 190,782,577,629.63/494,432.44
  6. Step 6: Final answer
    x = 385,861.77

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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.