Home / 725,170.24-1,087,381.86-325,468.36

Finding the Fourth Proportional to 725,170.24, 1,087,381.86 and 325,468.36

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Solution

The fourth proportional to 725,170.24, 1,087,381.86 and 325,468.36 is: 488,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,170.24 : 1,087,381.86 = 325,468.36 : x
  2. Step 2: Convert to fraction form
    725,170.24/1,087,381.86 = 325,468.36/x
  3. Step 3: Cross multiply
    725,170.24x = 1,087,381.86 × 325,468.36
  4. Step 4: Simplify right side
    725,170.24x = 353,908,389,040.61
  5. Step 5: Solve for x
    x = 353,908,389,040.61/725,170.24
  6. Step 6: Final answer
    x = 488,034.90

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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.