Home / 752,355.14-1,128,519.64-303,064.52

Finding the Fourth Proportional to 752,355.14, 1,128,519.64 and 303,064.52

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Solution

The fourth proportional to 752,355.14, 1,128,519.64 and 303,064.52 is: 454,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,355.14 : 1,128,519.64 = 303,064.52 : x
  2. Step 2: Convert to fraction form
    752,355.14/1,128,519.64 = 303,064.52/x
  3. Step 3: Cross multiply
    752,355.14x = 1,128,519.64 × 303,064.52
  4. Step 4: Simplify right side
    752,355.14x = 342,014,261,975.35
  5. Step 5: Solve for x
    x = 342,014,261,975.35/752,355.14
  6. Step 6: Final answer
    x = 454,591.51

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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.