Home / 851,067.80-1,275,516.30-451,899.80

Finding the Fourth Proportional to 851,067.80, 1,275,516.30 and 451,899.80

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Solution

The fourth proportional to 851,067.80, 1,275,516.30 and 451,899.80 is: 677,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,067.80 : 1,275,516.30 = 451,899.80 : x
  2. Step 2: Convert to fraction form
    851,067.80/1,275,516.30 = 451,899.80/x
  3. Step 3: Cross multiply
    851,067.80x = 1,275,516.30 × 451,899.80
  4. Step 4: Simplify right side
    851,067.80x = 576,405,560,866.74
  5. Step 5: Solve for x
    x = 576,405,560,866.74/851,067.80
  6. Step 6: Final answer
    x = 677,273.37

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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.