Home / 752,518.20-1,128,887.46-353,199.54

Finding the Fourth Proportional to 752,518.20, 1,128,887.46 and 353,199.54

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Solution

The fourth proportional to 752,518.20, 1,128,887.46 and 353,199.54 is: 529,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,518.20 : 1,128,887.46 = 353,199.54 : x
  2. Step 2: Convert to fraction form
    752,518.20/1,128,887.46 = 353,199.54/x
  3. Step 3: Cross multiply
    752,518.20x = 1,128,887.46 × 353,199.54
  4. Step 4: Simplify right side
    752,518.20x = 398,722,531,583.77
  5. Step 5: Solve for x
    x = 398,722,531,583.77/752,518.20
  6. Step 6: Final answer
    x = 529,851.01

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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.