Home / 725,259.26-1,087,887.69-192,780.29

Finding the Fourth Proportional to 725,259.26, 1,087,887.69 and 192,780.29

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Solution

The fourth proportional to 725,259.26, 1,087,887.69 and 192,780.29 is: 289,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,259.26 : 1,087,887.69 = 192,780.29 : x
  2. Step 2: Convert to fraction form
    725,259.26/1,087,887.69 = 192,780.29/x
  3. Step 3: Cross multiply
    725,259.26x = 1,087,887.69 × 192,780.29
  4. Step 4: Simplify right side
    725,259.26x = 209,723,304,365.63
  5. Step 5: Solve for x
    x = 209,723,304,365.63/725,259.26
  6. Step 6: Final answer
    x = 289,170.12

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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.