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Finding the Fourth Proportional to 400,313.81, 552,428.13 and 219,023.12

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Solution

The fourth proportional to 400,313.81, 552,428.13 and 219,023.12 is: 302,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,313.81 : 552,428.13 = 219,023.12 : x
  2. Step 2: Convert to fraction form
    400,313.81/552,428.13 = 219,023.12/x
  3. Step 3: Cross multiply
    400,313.81x = 552,428.13 × 219,023.12
  4. Step 4: Simplify right side
    400,313.81x = 120,994,534,810.77
  5. Step 5: Solve for x
    x = 120,994,534,810.77/400,313.81
  6. Step 6: Final answer
    x = 302,249.21

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