Home / 680,786.45-1,021,016.19-200,884.58

Finding the Fourth Proportional to 680,786.45, 1,021,016.19 and 200,884.58

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Solution

The fourth proportional to 680,786.45, 1,021,016.19 and 200,884.58 is: 301,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,786.45 : 1,021,016.19 = 200,884.58 : x
  2. Step 2: Convert to fraction form
    680,786.45/1,021,016.19 = 200,884.58/x
  3. Step 3: Cross multiply
    680,786.45x = 1,021,016.19 × 200,884.58
  4. Step 4: Simplify right side
    680,786.45x = 205,106,407,978.40
  5. Step 5: Solve for x
    x = 205,106,407,978.40/680,786.45
  6. Step 6: Final answer
    x = 301,278.63

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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.