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Finding the Fourth Proportional to 516,848.10, 713,265.84 and 312,936.36

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Solution

The fourth proportional to 516,848.10, 713,265.84 and 312,936.36 is: 431,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,848.10 : 713,265.84 = 312,936.36 : x
  2. Step 2: Convert to fraction form
    516,848.10/713,265.84 = 312,936.36/x
  3. Step 3: Cross multiply
    516,848.10x = 713,265.84 × 312,936.36
  4. Step 4: Simplify right side
    516,848.10x = 223,206,815,681.94
  5. Step 5: Solve for x
    x = 223,206,815,681.94/516,848.10
  6. Step 6: Final answer
    x = 431,861.54

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