Home / 548,974.94-823,040.46-278,881.02

Finding the Fourth Proportional to 548,974.94, 823,040.46 and 278,881.02

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Solution

The fourth proportional to 548,974.94, 823,040.46 and 278,881.02 is: 418,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,974.94 : 823,040.46 = 278,881.02 : x
  2. Step 2: Convert to fraction form
    548,974.94/823,040.46 = 278,881.02/x
  3. Step 3: Cross multiply
    548,974.94x = 823,040.46 × 278,881.02
  4. Step 4: Simplify right side
    548,974.94x = 229,530,362,986.07
  5. Step 5: Solve for x
    x = 229,530,362,986.07/548,974.94
  6. Step 6: Final answer
    x = 418,107.18

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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.