Home / 775,257.60-1,162,022.40-301,785.60

Finding the Fourth Proportional to 775,257.60, 1,162,022.40 and 301,785.60

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Solution

The fourth proportional to 775,257.60, 1,162,022.40 and 301,785.60 is: 452,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,257.60 : 1,162,022.40 = 301,785.60 : x
  2. Step 2: Convert to fraction form
    775,257.60/1,162,022.40 = 301,785.60/x
  3. Step 3: Cross multiply
    775,257.60x = 1,162,022.40 × 301,785.60
  4. Step 4: Simplify right side
    775,257.60x = 350,681,627,197.44
  5. Step 5: Solve for x
    x = 350,681,627,197.44/775,257.60
  6. Step 6: Final answer
    x = 452,342.07

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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.