Home / 681,081.54-1,021,619.48-207,765.33

Finding the Fourth Proportional to 681,081.54, 1,021,619.48 and 207,765.33

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Solution

The fourth proportional to 681,081.54, 1,021,619.48 and 207,765.33 is: 311,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,081.54 : 1,021,619.48 = 207,765.33 : x
  2. Step 2: Convert to fraction form
    681,081.54/1,021,619.48 = 207,765.33/x
  3. Step 3: Cross multiply
    681,081.54x = 1,021,619.48 × 207,765.33
  4. Step 4: Simplify right side
    681,081.54x = 212,257,107,357.80
  5. Step 5: Solve for x
    x = 212,257,107,357.80/681,081.54
  6. Step 6: Final answer
    x = 311,647.13

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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.