Home / 752,163.39-1,128,682.49-302,924.43

Finding the Fourth Proportional to 752,163.39, 1,128,682.49 and 302,924.43

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Solution

The fourth proportional to 752,163.39, 1,128,682.49 and 302,924.43 is: 454,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,163.39 : 1,128,682.49 = 302,924.43 : x
  2. Step 2: Convert to fraction form
    752,163.39/1,128,682.49 = 302,924.43/x
  3. Step 3: Cross multiply
    752,163.39x = 1,128,682.49 × 302,924.43
  4. Step 4: Simplify right side
    752,163.39x = 341,905,498,419.61
  5. Step 5: Solve for x
    x = 341,905,498,419.61/752,163.39
  6. Step 6: Final answer
    x = 454,562.80

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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.