Home / 494,901.96-682,979.84-290,915.46

Finding the Fourth Proportional to 494,901.96, 682,979.84 and 290,915.46

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Solution

The fourth proportional to 494,901.96, 682,979.84 and 290,915.46 is: 401,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,901.96 : 682,979.84 = 290,915.46 : x
  2. Step 2: Convert to fraction form
    494,901.96/682,979.84 = 290,915.46/x
  3. Step 3: Cross multiply
    494,901.96x = 682,979.84 × 290,915.46
  4. Step 4: Simplify right side
    494,901.96x = 198,689,394,324.33
  5. Step 5: Solve for x
    x = 198,689,394,324.33/494,901.96
  6. Step 6: Final answer
    x = 401,472.23

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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.