Home / 394,727.75-544,723.33-213,439.12

Finding the Fourth Proportional to 394,727.75, 544,723.33 and 213,439.12

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Solution

The fourth proportional to 394,727.75, 544,723.33 and 213,439.12 is: 294,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,727.75 : 544,723.33 = 213,439.12 : x
  2. Step 2: Convert to fraction form
    394,727.75/544,723.33 = 213,439.12/x
  3. Step 3: Cross multiply
    394,727.75x = 544,723.33 × 213,439.12
  4. Step 4: Simplify right side
    394,727.75x = 116,265,266,703.46
  5. Step 5: Solve for x
    x = 116,265,266,703.46/394,727.75
  6. Step 6: Final answer
    x = 294,545.46

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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.