Home / 856,744.80-1,285,180.20-225,654

Finding the Fourth Proportional to 856,744.80, 1,285,180.20 and 225,654

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Solution

The fourth proportional to 856,744.80, 1,285,180.20 and 225,654 is: 338,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,744.80 : 1,285,180.20 = 225,654 : x
  2. Step 2: Convert to fraction form
    856,744.80/1,285,180.20 = 225,654/x
  3. Step 3: Cross multiply
    856,744.80x = 1,285,180.20 × 225,654
  4. Step 4: Simplify right side
    856,744.80x = 290,006,052,850.80
  5. Step 5: Solve for x
    x = 290,006,052,850.80/856,744.80
  6. Step 6: Final answer
    x = 338,497.59

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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.