Home / 775,538.57-1,070,243.19-453,519.22

Finding the Fourth Proportional to 775,538.57, 1,070,243.19 and 453,519.22

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Solution

The fourth proportional to 775,538.57, 1,070,243.19 and 453,519.22 is: 625,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,538.57 : 1,070,243.19 = 453,519.22 : x
  2. Step 2: Convert to fraction form
    775,538.57/1,070,243.19 = 453,519.22/x
  3. Step 3: Cross multiply
    775,538.57x = 1,070,243.19 × 453,519.22
  4. Step 4: Simplify right side
    775,538.57x = 485,375,854,063.50
  5. Step 5: Solve for x
    x = 485,375,854,063.50/775,538.57
  6. Step 6: Final answer
    x = 625,856.50

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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.