Home / 394,872.57-544,922.10-213,584.31

Finding the Fourth Proportional to 394,872.57, 544,922.10 and 213,584.31

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Solution

The fourth proportional to 394,872.57, 544,922.10 and 213,584.31 is: 294,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,872.57 : 544,922.10 = 213,584.31 : x
  2. Step 2: Convert to fraction form
    394,872.57/544,922.10 = 213,584.31/x
  3. Step 3: Cross multiply
    394,872.57x = 544,922.10 × 213,584.31
  4. Step 4: Simplify right side
    394,872.57x = 116,386,810,732.25
  5. Step 5: Solve for x
    x = 116,386,810,732.25/394,872.57
  6. Step 6: Final answer
    x = 294,745.24

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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.