Home / 808,554.88-1,211,634.16-328,198.18

Finding the Fourth Proportional to 808,554.88, 1,211,634.16 and 328,198.18

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Solution

The fourth proportional to 808,554.88, 1,211,634.16 and 328,198.18 is: 491,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,554.88 : 1,211,634.16 = 328,198.18 : x
  2. Step 2: Convert to fraction form
    808,554.88/1,211,634.16 = 328,198.18/x
  3. Step 3: Cross multiply
    808,554.88x = 1,211,634.16 × 328,198.18
  4. Step 4: Simplify right side
    808,554.88x = 397,656,126,137.83
  5. Step 5: Solve for x
    x = 397,656,126,137.83/808,554.88
  6. Step 6: Final answer
    x = 491,810.93

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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.