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Finding the Fourth Proportional to 406,520.40, 609,780.60 and 184,904.40

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Solution

The fourth proportional to 406,520.40, 609,780.60 and 184,904.40 is: 277,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,520.40 : 609,780.60 = 184,904.40 : x
  2. Step 2: Convert to fraction form
    406,520.40/609,780.60 = 184,904.40/x
  3. Step 3: Cross multiply
    406,520.40x = 609,780.60 × 184,904.40
  4. Step 4: Simplify right side
    406,520.40x = 112,751,115,974.64
  5. Step 5: Solve for x
    x = 112,751,115,974.64/406,520.40
  6. Step 6: Final answer
    x = 277,356.60

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