Home / 752,104.86-1,128,161.13-253,473.18

Finding the Fourth Proportional to 752,104.86, 1,128,161.13 and 253,473.18

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Solution

The fourth proportional to 752,104.86, 1,128,161.13 and 253,473.18 is: 380,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,104.86 : 1,128,161.13 = 253,473.18 : x
  2. Step 2: Convert to fraction form
    752,104.86/1,128,161.13 = 253,473.18/x
  3. Step 3: Cross multiply
    752,104.86x = 1,128,161.13 × 253,473.18
  4. Step 4: Simplify right side
    752,104.86x = 285,958,589,173.49
  5. Step 5: Solve for x
    x = 285,958,589,173.49/752,104.86
  6. Step 6: Final answer
    x = 380,211.06

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Double scale
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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.