Home / 394,733.45-544,731.77-213,444.97

Finding the Fourth Proportional to 394,733.45, 544,731.77 and 213,444.97

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Solution

The fourth proportional to 394,733.45, 544,731.77 and 213,444.97 is: 294,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,733.45 : 544,731.77 = 213,444.97 : x
  2. Step 2: Convert to fraction form
    394,733.45/544,731.77 = 213,444.97/x
  3. Step 3: Cross multiply
    394,733.45x = 544,731.77 × 213,444.97
  4. Step 4: Simplify right side
    394,733.45x = 116,270,255,477.48
  5. Step 5: Solve for x
    x = 116,270,255,477.48/394,733.45
  6. Step 6: Final answer
    x = 294,553.84

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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.