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Finding the Fourth Proportional to 413,395.08, 620,157.60 and 176,739

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Solution

The fourth proportional to 413,395.08, 620,157.60 and 176,739 is: 265,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,395.08 : 620,157.60 = 176,739 : x
  2. Step 2: Convert to fraction form
    413,395.08/620,157.60 = 176,739/x
  3. Step 3: Cross multiply
    413,395.08x = 620,157.60 × 176,739
  4. Step 4: Simplify right side
    413,395.08x = 109,606,034,066.40
  5. Step 5: Solve for x
    x = 109,606,034,066.40/413,395.08
  6. Step 6: Final answer
    x = 265,136.28

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