Home / 857,596.90-1,286,257.35-250,242.61

Finding the Fourth Proportional to 857,596.90, 1,286,257.35 and 250,242.61

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Solution

The fourth proportional to 857,596.90, 1,286,257.35 and 250,242.61 is: 375,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,596.90 : 1,286,257.35 = 250,242.61 : x
  2. Step 2: Convert to fraction form
    857,596.90/1,286,257.35 = 250,242.61/x
  3. Step 3: Cross multiply
    857,596.90x = 1,286,257.35 × 250,242.61
  4. Step 4: Simplify right side
    857,596.90x = 321,876,396,395.68
  5. Step 5: Solve for x
    x = 321,876,396,395.68/857,596.90
  6. Step 6: Final answer
    x = 375,323.65

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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.