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Finding the Fourth Proportional to 491,600.93, 678,410.40 and 273,807.86

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Solution

The fourth proportional to 491,600.93, 678,410.40 and 273,807.86 is: 377,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,600.93 : 678,410.40 = 273,807.86 : x
  2. Step 2: Convert to fraction form
    491,600.93/678,410.40 = 273,807.86/x
  3. Step 3: Cross multiply
    491,600.93x = 678,410.40 × 273,807.86
  4. Step 4: Simplify right side
    491,600.93x = 185,754,095,406.91
  5. Step 5: Solve for x
    x = 185,754,095,406.91/491,600.93
  6. Step 6: Final answer
    x = 377,855.46

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