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Finding the Fourth Proportional to 623,995.16, 861,039.26 and 352,047.18

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Solution

The fourth proportional to 623,995.16, 861,039.26 and 352,047.18 is: 485,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,995.16 : 861,039.26 = 352,047.18 : x
  2. Step 2: Convert to fraction form
    623,995.16/861,039.26 = 352,047.18/x
  3. Step 3: Cross multiply
    623,995.16x = 861,039.26 × 352,047.18
  4. Step 4: Simplify right side
    623,995.16x = 303,126,443,278.05
  5. Step 5: Solve for x
    x = 303,126,443,278.05/623,995.16
  6. Step 6: Final answer
    x = 485,783.32

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