Home / 725,212.83-1,087,825.73-298,647.39

Finding the Fourth Proportional to 725,212.83, 1,087,825.73 and 298,647.39

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Solution

The fourth proportional to 725,212.83, 1,087,825.73 and 298,647.39 is: 447,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,212.83 : 1,087,825.73 = 298,647.39 : x
  2. Step 2: Convert to fraction form
    725,212.83/1,087,825.73 = 298,647.39/x
  3. Step 3: Cross multiply
    725,212.83x = 1,087,825.73 × 298,647.39
  4. Step 4: Simplify right side
    725,212.83x = 324,876,313,546.11
  5. Step 5: Solve for x
    x = 324,876,313,546.11/725,212.83
  6. Step 6: Final answer
    x = 447,973.75

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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.