Home / 805,556.36-1,208,379.10-265,791.32

Finding the Fourth Proportional to 805,556.36, 1,208,379.10 and 265,791.32

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Solution

The fourth proportional to 805,556.36, 1,208,379.10 and 265,791.32 is: 398,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,556.36 : 1,208,379.10 = 265,791.32 : x
  2. Step 2: Convert to fraction form
    805,556.36/1,208,379.10 = 265,791.32/x
  3. Step 3: Cross multiply
    805,556.36x = 1,208,379.10 × 265,791.32
  4. Step 4: Simplify right side
    805,556.36x = 321,176,676,049.41
  5. Step 5: Solve for x
    x = 321,176,676,049.41/805,556.36
  6. Step 6: Final answer
    x = 398,701.68

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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.