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Finding the Fourth Proportional to 412,175.20, 617,485.20 and 384,181.60

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Solution

The fourth proportional to 412,175.20, 617,485.20 and 384,181.60 is: 575,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,175.20 : 617,485.20 = 384,181.60 : x
  2. Step 2: Convert to fraction form
    412,175.20/617,485.20 = 384,181.60/x
  3. Step 3: Cross multiply
    412,175.20x = 617,485.20 × 384,181.60
  4. Step 4: Simplify right side
    412,175.20x = 237,226,452,112.32
  5. Step 5: Solve for x
    x = 237,226,452,112.32/412,175.20
  6. Step 6: Final answer
    x = 575,547.61

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