Home / 804,618.40-1,206,989.41-228,231.82

Finding the Fourth Proportional to 804,618.40, 1,206,989.41 and 228,231.82

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Solution

The fourth proportional to 804,618.40, 1,206,989.41 and 228,231.82 is: 342,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,618.40 : 1,206,989.41 = 228,231.82 : x
  2. Step 2: Convert to fraction form
    804,618.40/1,206,989.41 = 228,231.82/x
  3. Step 3: Cross multiply
    804,618.40x = 1,206,989.41 × 228,231.82
  4. Step 4: Simplify right side
    804,618.40x = 275,473,386,623.94
  5. Step 5: Solve for x
    x = 275,473,386,623.94/804,618.40
  6. Step 6: Final answer
    x = 342,365.26

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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.