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Finding the Fourth Proportional to 463,771.20, 695,656.80 and 432,436.80

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Solution

The fourth proportional to 463,771.20, 695,656.80 and 432,436.80 is: 648,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,771.20 : 695,656.80 = 432,436.80 : x
  2. Step 2: Convert to fraction form
    463,771.20/695,656.80 = 432,436.80/x
  3. Step 3: Cross multiply
    463,771.20x = 695,656.80 × 432,436.80
  4. Step 4: Simplify right side
    463,771.20x = 300,827,600,490.24
  5. Step 5: Solve for x
    x = 300,827,600,490.24/463,771.20
  6. Step 6: Final answer
    x = 648,655.20

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