Home / 839,894.30-1,259,846.09-208,808.12

Finding the Fourth Proportional to 839,894.30, 1,259,846.09 and 208,808.12

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Solution

The fourth proportional to 839,894.30, 1,259,846.09 and 208,808.12 is: 313,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,894.30 : 1,259,846.09 = 208,808.12 : x
  2. Step 2: Convert to fraction form
    839,894.30/1,259,846.09 = 208,808.12/x
  3. Step 3: Cross multiply
    839,894.30x = 1,259,846.09 × 208,808.12
  4. Step 4: Simplify right side
    839,894.30x = 263,066,086,198.98
  5. Step 5: Solve for x
    x = 263,066,086,198.98/839,894.30
  6. Step 6: Final answer
    x = 313,213.33

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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.