Home / 819,454.35-1,229,137.68-250,835.73

Finding the Fourth Proportional to 819,454.35, 1,229,137.68 and 250,835.73

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Solution

The fourth proportional to 819,454.35, 1,229,137.68 and 250,835.73 is: 376,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,454.35 : 1,229,137.68 = 250,835.73 : x
  2. Step 2: Convert to fraction form
    819,454.35/1,229,137.68 = 250,835.73/x
  3. Step 3: Cross multiply
    819,454.35x = 1,229,137.68 × 250,835.73
  4. Step 4: Simplify right side
    819,454.35x = 308,311,647,233.31
  5. Step 5: Solve for x
    x = 308,311,647,233.31/819,454.35
  6. Step 6: Final answer
    x = 376,240.17

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1.5x scale

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.