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Finding the Fourth Proportional to 505,406.16, 697,455.12 and 275,962.68

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Solution

The fourth proportional to 505,406.16, 697,455.12 and 275,962.68 is: 380,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,406.16 : 697,455.12 = 275,962.68 : x
  2. Step 2: Convert to fraction form
    505,406.16/697,455.12 = 275,962.68/x
  3. Step 3: Cross multiply
    505,406.16x = 697,455.12 × 275,962.68
  4. Step 4: Simplify right side
    505,406.16x = 192,471,584,094.92
  5. Step 5: Solve for x
    x = 192,471,584,094.92/505,406.16
  6. Step 6: Final answer
    x = 380,825.56

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