Home / 394,870.28-591,685.50-268,570.76

Finding the Fourth Proportional to 394,870.28, 591,685.50 and 268,570.76

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Solution

The fourth proportional to 394,870.28, 591,685.50 and 268,570.76 is: 402,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,870.28 : 591,685.50 = 268,570.76 : x
  2. Step 2: Convert to fraction form
    394,870.28/591,685.50 = 268,570.76/x
  3. Step 3: Cross multiply
    394,870.28x = 591,685.50 × 268,570.76
  4. Step 4: Simplify right side
    394,870.28x = 158,909,424,415.98
  5. Step 5: Solve for x
    x = 158,909,424,415.98/394,870.28
  6. Step 6: Final answer
    x = 402,434.50

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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.