Home / 752,276.50-1,128,597.07-432,632.95

Finding the Fourth Proportional to 752,276.50, 1,128,597.07 and 432,632.95

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Solution

The fourth proportional to 752,276.50, 1,128,597.07 and 432,632.95 is: 649,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,276.50 : 1,128,597.07 = 432,632.95 : x
  2. Step 2: Convert to fraction form
    752,276.50/1,128,597.07 = 432,632.95/x
  3. Step 3: Cross multiply
    752,276.50x = 1,128,597.07 × 432,632.95
  4. Step 4: Simplify right side
    752,276.50x = 488,268,279,755.46
  5. Step 5: Solve for x
    x = 488,268,279,755.46/752,276.50
  6. Step 6: Final answer
    x = 649,054.28

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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.