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Finding the Fourth Proportional to 464,612.51, 640,928.94 and 303,561.83

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Solution

The fourth proportional to 464,612.51, 640,928.94 and 303,561.83 is: 418,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,612.51 : 640,928.94 = 303,561.83 : x
  2. Step 2: Convert to fraction form
    464,612.51/640,928.94 = 303,561.83/x
  3. Step 3: Cross multiply
    464,612.51x = 640,928.94 × 303,561.83
  4. Step 4: Simplify right side
    464,612.51x = 194,561,561,926.36
  5. Step 5: Solve for x
    x = 194,561,561,926.36/464,612.51
  6. Step 6: Final answer
    x = 418,760.92

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