Home / 725,279.86-1,087,886.58-252,002.26

Finding the Fourth Proportional to 725,279.86, 1,087,886.58 and 252,002.26

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Solution

The fourth proportional to 725,279.86, 1,087,886.58 and 252,002.26 is: 377,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,279.86 : 1,087,886.58 = 252,002.26 : x
  2. Step 2: Convert to fraction form
    725,279.86/1,087,886.58 = 252,002.26/x
  3. Step 3: Cross multiply
    725,279.86x = 1,087,886.58 × 252,002.26
  4. Step 4: Simplify right side
    725,279.86x = 274,149,876,783.67
  5. Step 5: Solve for x
    x = 274,149,876,783.67/725,279.86
  6. Step 6: Final answer
    x = 377,991.85

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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.