Home / 804,514.80-1,206,415.80-271,891.20

Finding the Fourth Proportional to 804,514.80, 1,206,415.80 and 271,891.20

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Solution

The fourth proportional to 804,514.80, 1,206,415.80 and 271,891.20 is: 407,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,514.80 : 1,206,415.80 = 271,891.20 : x
  2. Step 2: Convert to fraction form
    804,514.80/1,206,415.80 = 271,891.20/x
  3. Step 3: Cross multiply
    804,514.80x = 1,206,415.80 × 271,891.20
  4. Step 4: Simplify right side
    804,514.80x = 328,013,839,560.96
  5. Step 5: Solve for x
    x = 328,013,839,560.96/804,514.80
  6. Step 6: Final answer
    x = 407,716.35

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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.