Home / 690,640.54-1,035,953.51-269,912.77

Finding the Fourth Proportional to 690,640.54, 1,035,953.51 and 269,912.77

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Solution

The fourth proportional to 690,640.54, 1,035,953.51 and 269,912.77 is: 404,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,640.54 : 1,035,953.51 = 269,912.77 : x
  2. Step 2: Convert to fraction form
    690,640.54/1,035,953.51 = 269,912.77/x
  3. Step 3: Cross multiply
    690,640.54x = 1,035,953.51 × 269,912.77
  4. Step 4: Simplify right side
    690,640.54x = 279,617,079,560.22
  5. Step 5: Solve for x
    x = 279,617,079,560.22/690,640.54
  6. Step 6: Final answer
    x = 404,866.30

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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.