Home / 494,917.89-682,988.49-268,563.39

Finding the Fourth Proportional to 494,917.89, 682,988.49 and 268,563.39

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Solution

The fourth proportional to 494,917.89, 682,988.49 and 268,563.39 is: 370,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,917.89 : 682,988.49 = 268,563.39 : x
  2. Step 2: Convert to fraction form
    494,917.89/682,988.49 = 268,563.39/x
  3. Step 3: Cross multiply
    494,917.89x = 682,988.49 × 268,563.39
  4. Step 4: Simplify right side
    494,917.89x = 183,425,704,205.38
  5. Step 5: Solve for x
    x = 183,425,704,205.38/494,917.89
  6. Step 6: Final answer
    x = 370,618.46

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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.