Home / 752,109.39-1,128,053.30-246,723.77

Finding the Fourth Proportional to 752,109.39, 1,128,053.30 and 246,723.77

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Solution

The fourth proportional to 752,109.39, 1,128,053.30 and 246,723.77 is: 370,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,109.39 : 1,128,053.30 = 246,723.77 : x
  2. Step 2: Convert to fraction form
    752,109.39/1,128,053.30 = 246,723.77/x
  3. Step 3: Cross multiply
    752,109.39x = 1,128,053.30 × 246,723.77
  4. Step 4: Simplify right side
    752,109.39x = 278,317,556,063.06
  5. Step 5: Solve for x
    x = 278,317,556,063.06/752,109.39
  6. Step 6: Final answer
    x = 370,049.30

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1.5x scale

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.