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Finding the Fourth Proportional to 550,514.99, 759,709.13 and 305,536.73

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Solution

The fourth proportional to 550,514.99, 759,709.13 and 305,536.73 is: 421,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,514.99 : 759,709.13 = 305,536.73 : x
  2. Step 2: Convert to fraction form
    550,514.99/759,709.13 = 305,536.73/x
  3. Step 3: Cross multiply
    550,514.99x = 759,709.13 × 305,536.73
  4. Step 4: Simplify right side
    550,514.99x = 232,119,038,005.12
  5. Step 5: Solve for x
    x = 232,119,038,005.12/550,514.99
  6. Step 6: Final answer
    x = 421,639.81

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