Home / 767,488.97-1,150,899.03-220,260.87

Finding the Fourth Proportional to 767,488.97, 1,150,899.03 and 220,260.87

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Solution

The fourth proportional to 767,488.97, 1,150,899.03 and 220,260.87 is: 330,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,488.97 : 1,150,899.03 = 220,260.87 : x
  2. Step 2: Convert to fraction form
    767,488.97/1,150,899.03 = 220,260.87/x
  3. Step 3: Cross multiply
    767,488.97x = 1,150,899.03 × 220,260.87
  4. Step 4: Simplify right side
    767,488.97x = 253,498,021,629.96
  5. Step 5: Solve for x
    x = 253,498,021,629.96/767,488.97
  6. Step 6: Final answer
    x = 330,295.33

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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.