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Finding the Fourth Proportional to 449,544.24, 674,648.16 and 212,886.48

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Solution

The fourth proportional to 449,544.24, 674,648.16 and 212,886.48 is: 319,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,544.24 : 674,648.16 = 212,886.48 : x
  2. Step 2: Convert to fraction form
    449,544.24/674,648.16 = 212,886.48/x
  3. Step 3: Cross multiply
    449,544.24x = 674,648.16 × 212,886.48
  4. Step 4: Simplify right side
    449,544.24x = 143,623,472,020.88
  5. Step 5: Solve for x
    x = 143,623,472,020.88/449,544.24
  6. Step 6: Final answer
    x = 319,486.85

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