Home / 874,822.44-1,312,233.66-209,974.44

Finding the Fourth Proportional to 874,822.44, 1,312,233.66 and 209,974.44

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Solution

The fourth proportional to 874,822.44, 1,312,233.66 and 209,974.44 is: 314,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,822.44 : 1,312,233.66 = 209,974.44 : x
  2. Step 2: Convert to fraction form
    874,822.44/1,312,233.66 = 209,974.44/x
  3. Step 3: Cross multiply
    874,822.44x = 1,312,233.66 × 209,974.44
  4. Step 4: Simplify right side
    874,822.44x = 275,535,526,857.78
  5. Step 5: Solve for x
    x = 275,535,526,857.78/874,822.44
  6. Step 6: Final answer
    x = 314,961.66

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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.