Home / 752,071.85-1,128,452.27-325,738.07

Finding the Fourth Proportional to 752,071.85, 1,128,452.27 and 325,738.07

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Solution

The fourth proportional to 752,071.85, 1,128,452.27 and 325,738.07 is: 488,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,071.85 : 1,128,452.27 = 325,738.07 : x
  2. Step 2: Convert to fraction form
    752,071.85/1,128,452.27 = 325,738.07/x
  3. Step 3: Cross multiply
    752,071.85x = 1,128,452.27 × 325,738.07
  4. Step 4: Simplify right side
    752,071.85x = 367,579,862,888.23
  5. Step 5: Solve for x
    x = 367,579,862,888.23/752,071.85
  6. Step 6: Final answer
    x = 488,756.31

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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.