Home / 494,636.28-682,598.10-279,771.72

Finding the Fourth Proportional to 494,636.28, 682,598.10 and 279,771.72

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Solution

The fourth proportional to 494,636.28, 682,598.10 and 279,771.72 is: 386,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,636.28 : 682,598.10 = 279,771.72 : x
  2. Step 2: Convert to fraction form
    494,636.28/682,598.10 = 279,771.72/x
  3. Step 3: Cross multiply
    494,636.28x = 682,598.10 × 279,771.72
  4. Step 4: Simplify right side
    494,636.28x = 190,971,644,505.73
  5. Step 5: Solve for x
    x = 190,971,644,505.73/494,636.28
  6. Step 6: Final answer
    x = 386,084.99

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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.