Home / 827,106.39-1,240,745.04-228,067.65

Finding the Fourth Proportional to 827,106.39, 1,240,745.04 and 228,067.65

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Solution

The fourth proportional to 827,106.39, 1,240,745.04 and 228,067.65 is: 342,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,106.39 : 1,240,745.04 = 228,067.65 : x
  2. Step 2: Convert to fraction form
    827,106.39/1,240,745.04 = 228,067.65/x
  3. Step 3: Cross multiply
    827,106.39x = 1,240,745.04 × 228,067.65
  4. Step 4: Simplify right side
    827,106.39x = 282,973,805,521.96
  5. Step 5: Solve for x
    x = 282,973,805,521.96/827,106.39
  6. Step 6: Final answer
    x = 342,125.04

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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.