Home / 494,463.56-682,373.13-279,635.75

Finding the Fourth Proportional to 494,463.56, 682,373.13 and 279,635.75

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Solution

The fourth proportional to 494,463.56, 682,373.13 and 279,635.75 is: 385,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,463.56 : 682,373.13 = 279,635.75 : x
  2. Step 2: Convert to fraction form
    494,463.56/682,373.13 = 279,635.75/x
  3. Step 3: Cross multiply
    494,463.56x = 682,373.13 × 279,635.75
  4. Step 4: Simplify right side
    494,463.56x = 190,815,921,987.40
  5. Step 5: Solve for x
    x = 190,815,921,987.40/494,463.56
  6. Step 6: Final answer
    x = 385,904.92

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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.