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Finding the Fourth Proportional to 451,926.56, 623,658.21 and 247,978.64

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Solution

The fourth proportional to 451,926.56, 623,658.21 and 247,978.64 is: 342,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,926.56 : 623,658.21 = 247,978.64 : x
  2. Step 2: Convert to fraction form
    451,926.56/623,658.21 = 247,978.64/x
  3. Step 3: Cross multiply
    451,926.56x = 623,658.21 × 247,978.64
  4. Step 4: Simplify right side
    451,926.56x = 154,653,914,740.63
  5. Step 5: Solve for x
    x = 154,653,914,740.63/451,926.56
  6. Step 6: Final answer
    x = 342,210.28

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