Home / 775,871.58-1,070,542.36-453,519.33

Finding the Fourth Proportional to 775,871.58, 1,070,542.36 and 453,519.33

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Solution

The fourth proportional to 775,871.58, 1,070,542.36 and 453,519.33 is: 625,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,871.58 : 1,070,542.36 = 453,519.33 : x
  2. Step 2: Convert to fraction form
    775,871.58/1,070,542.36 = 453,519.33/x
  3. Step 3: Cross multiply
    775,871.58x = 1,070,542.36 × 453,519.33
  4. Step 4: Simplify right side
    775,871.58x = 485,511,653,843.82
  5. Step 5: Solve for x
    x = 485,511,653,843.82/775,871.58
  6. Step 6: Final answer
    x = 625,762.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.