Home / 494,911.89-682,980.21-268,557.39

Finding the Fourth Proportional to 494,911.89, 682,980.21 and 268,557.39

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Solution

The fourth proportional to 494,911.89, 682,980.21 and 268,557.39 is: 370,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,911.89 : 682,980.21 = 268,557.39 : x
  2. Step 2: Convert to fraction form
    494,911.89/682,980.21 = 268,557.39/x
  3. Step 3: Cross multiply
    494,911.89x = 682,980.21 × 268,557.39
  4. Step 4: Simplify right side
    494,911.89x = 183,419,382,619.25
  5. Step 5: Solve for x
    x = 183,419,382,619.25/494,911.89
  6. Step 6: Final answer
    x = 370,610.18

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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.