Home / 394,727.70-544,723.85-213,439.21

Finding the Fourth Proportional to 394,727.70, 544,723.85 and 213,439.21

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Solution

The fourth proportional to 394,727.70, 544,723.85 and 213,439.21 is: 294,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,727.70 : 544,723.85 = 213,439.21 : x
  2. Step 2: Convert to fraction form
    394,727.70/544,723.85 = 213,439.21/x
  3. Step 3: Cross multiply
    394,727.70x = 544,723.85 × 213,439.21
  4. Step 4: Simplify right side
    394,727.70x = 116,265,428,212.16
  5. Step 5: Solve for x
    x = 116,265,428,212.16/394,727.70
  6. Step 6: Final answer
    x = 294,545.91

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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.