Home / 544,059.20-815,286.90-394,614.20

Finding the Fourth Proportional to 544,059.20, 815,286.90 and 394,614.20

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Solution

The fourth proportional to 544,059.20, 815,286.90 and 394,614.20 is: 591,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,059.20 : 815,286.90 = 394,614.20 : x
  2. Step 2: Convert to fraction form
    544,059.20/815,286.90 = 394,614.20/x
  3. Step 3: Cross multiply
    544,059.20x = 815,286.90 × 394,614.20
  4. Step 4: Simplify right side
    544,059.20x = 321,723,787,813.98
  5. Step 5: Solve for x
    x = 321,723,787,813.98/544,059.20
  6. Step 6: Final answer
    x = 591,339.67

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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.