Home / 725,028.04-1,087,963.37-298,606.78

Finding the Fourth Proportional to 725,028.04, 1,087,963.37 and 298,606.78

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Solution

The fourth proportional to 725,028.04, 1,087,963.37 and 298,606.78 is: 448,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,028.04 : 1,087,963.37 = 298,606.78 : x
  2. Step 2: Convert to fraction form
    725,028.04/1,087,963.37 = 298,606.78/x
  3. Step 3: Cross multiply
    725,028.04x = 1,087,963.37 × 298,606.78
  4. Step 4: Simplify right side
    725,028.04x = 324,873,237,180.62
  5. Step 5: Solve for x
    x = 324,873,237,180.62/725,028.04
  6. Step 6: Final answer
    x = 448,083.69

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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.