Home / 809,008.52-1,213,512.80-218,032.52

Finding the Fourth Proportional to 809,008.52, 1,213,512.80 and 218,032.52

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Solution

The fourth proportional to 809,008.52, 1,213,512.80 and 218,032.52 is: 327,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,008.52 : 1,213,512.80 = 218,032.52 : x
  2. Step 2: Convert to fraction form
    809,008.52/1,213,512.80 = 218,032.52/x
  3. Step 3: Cross multiply
    809,008.52x = 1,213,512.80 × 218,032.52
  4. Step 4: Simplify right side
    809,008.52x = 264,585,253,836.26
  5. Step 5: Solve for x
    x = 264,585,253,836.26/809,008.52
  6. Step 6: Final answer
    x = 327,048.79

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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.