Home / 925,081.25-1,387,452.06-419,520.65

Finding the Fourth Proportional to 925,081.25, 1,387,452.06 and 419,520.65

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Solution

The fourth proportional to 925,081.25, 1,387,452.06 and 419,520.65 is: 629,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,081.25 : 1,387,452.06 = 419,520.65 : x
  2. Step 2: Convert to fraction form
    925,081.25/1,387,452.06 = 419,520.65/x
  3. Step 3: Cross multiply
    925,081.25x = 1,387,452.06 × 419,520.65
  4. Step 4: Simplify right side
    925,081.25x = 582,064,783,117.78
  5. Step 5: Solve for x
    x = 582,064,783,117.78/925,081.25
  6. Step 6: Final answer
    x = 629,203.96

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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.