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Finding the Fourth Proportional to 505,419.22, 697,460.25 and 279,059.86

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Solution

The fourth proportional to 505,419.22, 697,460.25 and 279,059.86 is: 385,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,419.22 : 697,460.25 = 279,059.86 : x
  2. Step 2: Convert to fraction form
    505,419.22/697,460.25 = 279,059.86/x
  3. Step 3: Cross multiply
    505,419.22x = 697,460.25 × 279,059.86
  4. Step 4: Simplify right side
    505,419.22x = 194,633,159,720.57
  5. Step 5: Solve for x
    x = 194,633,159,720.57/505,419.22
  6. Step 6: Final answer
    x = 385,092.52

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