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Finding the Fourth Proportional to 511,399.26, 766,975.86 and 156,416.40

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Solution

The fourth proportional to 511,399.26, 766,975.86 and 156,416.40 is: 234,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,399.26 : 766,975.86 = 156,416.40 : x
  2. Step 2: Convert to fraction form
    511,399.26/766,975.86 = 156,416.40/x
  3. Step 3: Cross multiply
    511,399.26x = 766,975.86 × 156,416.40
  4. Step 4: Simplify right side
    511,399.26x = 119,967,602,908.10
  5. Step 5: Solve for x
    x = 119,967,602,908.10/511,399.26
  6. Step 6: Final answer
    x = 234,586.97

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