Home / 690,896.18-1,036,344.31-269,876.81

Finding the Fourth Proportional to 690,896.18, 1,036,344.31 and 269,876.81

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Solution

The fourth proportional to 690,896.18, 1,036,344.31 and 269,876.81 is: 404,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,896.18 : 1,036,344.31 = 269,876.81 : x
  2. Step 2: Convert to fraction form
    690,896.18/1,036,344.31 = 269,876.81/x
  3. Step 3: Cross multiply
    690,896.18x = 1,036,344.31 × 269,876.81
  4. Step 4: Simplify right side
    690,896.18x = 279,685,298,360.62
  5. Step 5: Solve for x
    x = 279,685,298,360.62/690,896.18
  6. Step 6: Final answer
    x = 404,815.23

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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.