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Finding the Fourth Proportional to 605,644.54, 908,886.38 and 240,868.78

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Solution

The fourth proportional to 605,644.54, 908,886.38 and 240,868.78 is: 361,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,644.54 : 908,886.38 = 240,868.78 : x
  2. Step 2: Convert to fraction form
    605,644.54/908,886.38 = 240,868.78/x
  3. Step 3: Cross multiply
    605,644.54x = 908,886.38 × 240,868.78
  4. Step 4: Simplify right side
    605,644.54x = 218,922,350,032.66
  5. Step 5: Solve for x
    x = 218,922,350,032.66/605,644.54
  6. Step 6: Final answer
    x = 361,470.03

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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.