Home / 752,680.53-1,129,242.26-303,170.01

Finding the Fourth Proportional to 752,680.53, 1,129,242.26 and 303,170.01

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Solution

The fourth proportional to 752,680.53, 1,129,242.26 and 303,170.01 is: 454,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,680.53 : 1,129,242.26 = 303,170.01 : x
  2. Step 2: Convert to fraction form
    752,680.53/1,129,242.26 = 303,170.01/x
  3. Step 3: Cross multiply
    752,680.53x = 1,129,242.26 × 303,170.01
  4. Step 4: Simplify right side
    752,680.53x = 342,352,393,307.87
  5. Step 5: Solve for x
    x = 342,352,393,307.87/752,680.53
  6. Step 6: Final answer
    x = 454,844.23

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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.