Home / 690,906.86-1,036,360.30-269,887.49

Finding the Fourth Proportional to 690,906.86, 1,036,360.30 and 269,887.49

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Solution

The fourth proportional to 690,906.86, 1,036,360.30 and 269,887.49 is: 404,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,906.86 : 1,036,360.30 = 269,887.49 : x
  2. Step 2: Convert to fraction form
    690,906.86/1,036,360.30 = 269,887.49/x
  3. Step 3: Cross multiply
    690,906.86x = 1,036,360.30 × 269,887.49
  4. Step 4: Simplify right side
    690,906.86x = 279,700,680,102.65
  5. Step 5: Solve for x
    x = 279,700,680,102.65/690,906.86
  6. Step 6: Final answer
    x = 404,831.24

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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.