Home / 746,761.60-1,120,012.80-273,203.20

Finding the Fourth Proportional to 746,761.60, 1,120,012.80 and 273,203.20

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Solution

The fourth proportional to 746,761.60, 1,120,012.80 and 273,203.20 is: 409,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,761.60 : 1,120,012.80 = 273,203.20 : x
  2. Step 2: Convert to fraction form
    746,761.60/1,120,012.80 = 273,203.20/x
  3. Step 3: Cross multiply
    746,761.60x = 1,120,012.80 × 273,203.20
  4. Step 4: Simplify right side
    746,761.60x = 305,991,081,000.96
  5. Step 5: Solve for x
    x = 305,991,081,000.96/746,761.60
  6. Step 6: Final answer
    x = 409,757.39

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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.