Home / 752,070.60-1,128,450.39-325,736.82

Finding the Fourth Proportional to 752,070.60, 1,128,450.39 and 325,736.82

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Solution

The fourth proportional to 752,070.60, 1,128,450.39 and 325,736.82 is: 488,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,070.60 : 1,128,450.39 = 325,736.82 : x
  2. Step 2: Convert to fraction form
    752,070.60/1,128,450.39 = 325,736.82/x
  3. Step 3: Cross multiply
    752,070.60x = 1,128,450.39 × 325,736.82
  4. Step 4: Simplify right side
    752,070.60x = 367,577,841,566.36
  5. Step 5: Solve for x
    x = 367,577,841,566.36/752,070.60
  6. Step 6: Final answer
    x = 488,754.44

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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.