Home / 394,729.75-544,740.02-215,881.75

Finding the Fourth Proportional to 394,729.75, 544,740.02 and 215,881.75

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Solution

The fourth proportional to 394,729.75, 544,740.02 and 215,881.75 is: 297,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,729.75 : 544,740.02 = 215,881.75 : x
  2. Step 2: Convert to fraction form
    394,729.75/544,740.02 = 215,881.75/x
  3. Step 3: Cross multiply
    394,729.75x = 544,740.02 × 215,881.75
  4. Step 4: Simplify right side
    394,729.75x = 117,599,428,812.64
  5. Step 5: Solve for x
    x = 117,599,428,812.64/394,729.75
  6. Step 6: Final answer
    x = 297,923.91

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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.