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Finding the Fourth Proportional to 668,942.13, 923,140.73 and 363,018.50

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Solution

The fourth proportional to 668,942.13, 923,140.73 and 363,018.50 is: 500,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,942.13 : 923,140.73 = 363,018.50 : x
  2. Step 2: Convert to fraction form
    668,942.13/923,140.73 = 363,018.50/x
  3. Step 3: Cross multiply
    668,942.13x = 923,140.73 × 363,018.50
  4. Step 4: Simplify right side
    668,942.13x = 335,117,156,662.71
  5. Step 5: Solve for x
    x = 335,117,156,662.71/668,942.13
  6. Step 6: Final answer
    x = 500,965.84

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