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Finding the Fourth Proportional to 463,998.80, 695,998.20 and 406,859.60

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Solution

The fourth proportional to 463,998.80, 695,998.20 and 406,859.60 is: 610,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,998.80 : 695,998.20 = 406,859.60 : x
  2. Step 2: Convert to fraction form
    463,998.80/695,998.20 = 406,859.60/x
  3. Step 3: Cross multiply
    463,998.80x = 695,998.20 × 406,859.60
  4. Step 4: Simplify right side
    463,998.80x = 283,173,549,252.72
  5. Step 5: Solve for x
    x = 283,173,549,252.72/463,998.80
  6. Step 6: Final answer
    x = 610,289.40

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