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Finding the Fourth Proportional to 612,553.44, 845,530.20 and 419,076.84

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Solution

The fourth proportional to 612,553.44, 845,530.20 and 419,076.84 is: 578,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,553.44 : 845,530.20 = 419,076.84 : x
  2. Step 2: Convert to fraction form
    612,553.44/845,530.20 = 419,076.84/x
  3. Step 3: Cross multiply
    612,553.44x = 845,530.20 × 419,076.84
  4. Step 4: Simplify right side
    612,553.44x = 354,342,124,340.57
  5. Step 5: Solve for x
    x = 354,342,124,340.57/612,553.44
  6. Step 6: Final answer
    x = 578,467.28

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