Home / 494,401.95-682,255.75-279,546.51

Finding the Fourth Proportional to 494,401.95, 682,255.75 and 279,546.51

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Solution

The fourth proportional to 494,401.95, 682,255.75 and 279,546.51 is: 385,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,401.95 : 682,255.75 = 279,546.51 : x
  2. Step 2: Convert to fraction form
    494,401.95/682,255.75 = 279,546.51/x
  3. Step 3: Cross multiply
    494,401.95x = 682,255.75 × 279,546.51
  4. Step 4: Simplify right side
    494,401.95x = 190,722,213,839.93
  5. Step 5: Solve for x
    x = 190,722,213,839.93/494,401.95
  6. Step 6: Final answer
    x = 385,763.47

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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.