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Finding the Fourth Proportional to 464,564.40, 695,291.40 and 408,577.20

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Solution

The fourth proportional to 464,564.40, 695,291.40 and 408,577.20 is: 611,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,564.40 : 695,291.40 = 408,577.20 : x
  2. Step 2: Convert to fraction form
    464,564.40/695,291.40 = 408,577.20/x
  3. Step 3: Cross multiply
    464,564.40x = 695,291.40 × 408,577.20
  4. Step 4: Simplify right side
    464,564.40x = 284,080,213,396.08
  5. Step 5: Solve for x
    x = 284,080,213,396.08/464,564.40
  6. Step 6: Final answer
    x = 611,498.03

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