Home / 752,190.60-1,128,824.60-320,210.92

Finding the Fourth Proportional to 752,190.60, 1,128,824.60 and 320,210.92

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Solution

The fourth proportional to 752,190.60, 1,128,824.60 and 320,210.92 is: 480,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,190.60 : 1,128,824.60 = 320,210.92 : x
  2. Step 2: Convert to fraction form
    752,190.60/1,128,824.60 = 320,210.92/x
  3. Step 3: Cross multiply
    752,190.60x = 1,128,824.60 × 320,210.92
  4. Step 4: Simplify right side
    752,190.60x = 361,461,967,554.86
  5. Step 5: Solve for x
    x = 361,461,967,554.86/752,190.60
  6. Step 6: Final answer
    x = 480,545.71

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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.