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Finding the Fourth Proportional to 346,728.20, 520,092.30 and 295,989.80

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Solution

The fourth proportional to 346,728.20, 520,092.30 and 295,989.80 is: 443,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,728.20 : 520,092.30 = 295,989.80 : x
  2. Step 2: Convert to fraction form
    346,728.20/520,092.30 = 295,989.80/x
  3. Step 3: Cross multiply
    346,728.20x = 520,092.30 × 295,989.80
  4. Step 4: Simplify right side
    346,728.20x = 153,942,015,858.54
  5. Step 5: Solve for x
    x = 153,942,015,858.54/346,728.20
  6. Step 6: Final answer
    x = 443,984.70

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