Home / 394,734.27-544,732.89-213,445.77

Finding the Fourth Proportional to 394,734.27, 544,732.89 and 213,445.77

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Solution

The fourth proportional to 394,734.27, 544,732.89 and 213,445.77 is: 294,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,734.27 : 544,732.89 = 213,445.77 : x
  2. Step 2: Convert to fraction form
    394,734.27/544,732.89 = 213,445.77/x
  3. Step 3: Cross multiply
    394,734.27x = 544,732.89 × 213,445.77
  4. Step 4: Simplify right side
    394,734.27x = 116,270,931,150.38
  5. Step 5: Solve for x
    x = 116,270,931,150.38/394,734.27
  6. Step 6: Final answer
    x = 294,554.94

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1.5x scale

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.