Home / 725,253.70-1,087,879.35-192,774.73

Finding the Fourth Proportional to 725,253.70, 1,087,879.35 and 192,774.73

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Solution

The fourth proportional to 725,253.70, 1,087,879.35 and 192,774.73 is: 289,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,253.70 : 1,087,879.35 = 192,774.73 : x
  2. Step 2: Convert to fraction form
    725,253.70/1,087,879.35 = 192,774.73/x
  3. Step 3: Cross multiply
    725,253.70x = 1,087,879.35 × 192,774.73
  4. Step 4: Simplify right side
    725,253.70x = 209,715,647,968.83
  5. Step 5: Solve for x
    x = 209,715,647,968.83/725,253.70
  6. Step 6: Final answer
    x = 289,161.78

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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.