Home / 394,868.28-591,682.50-268,568.76

Finding the Fourth Proportional to 394,868.28, 591,682.50 and 268,568.76

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Solution

The fourth proportional to 394,868.28, 591,682.50 and 268,568.76 is: 402,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,868.28 : 591,682.50 = 268,568.76 : x
  2. Step 2: Convert to fraction form
    394,868.28/591,682.50 = 268,568.76/x
  3. Step 3: Cross multiply
    394,868.28x = 591,682.50 × 268,568.76
  4. Step 4: Simplify right side
    394,868.28x = 158,907,435,338.70
  5. Step 5: Solve for x
    x = 158,907,435,338.70/394,868.28
  6. Step 6: Final answer
    x = 402,431.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.