Home / 752,074.07-1,128,455.60-325,740.29

Finding the Fourth Proportional to 752,074.07, 1,128,455.60 and 325,740.29

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Solution

The fourth proportional to 752,074.07, 1,128,455.60 and 325,740.29 is: 488,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,074.07 : 1,128,455.60 = 325,740.29 : x
  2. Step 2: Convert to fraction form
    752,074.07/1,128,455.60 = 325,740.29/x
  3. Step 3: Cross multiply
    752,074.07x = 1,128,455.60 × 325,740.29
  4. Step 4: Simplify right side
    752,074.07x = 367,583,447,125.15
  5. Step 5: Solve for x
    x = 367,583,447,125.15/752,074.07
  6. Step 6: Final answer
    x = 488,759.64

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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.