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Finding the Fourth Proportional to 406,877.10, 561,379.17 and 243,467.83

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Solution

The fourth proportional to 406,877.10, 561,379.17 and 243,467.83 is: 335,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,877.10 : 561,379.17 = 243,467.83 : x
  2. Step 2: Convert to fraction form
    406,877.10/561,379.17 = 243,467.83/x
  3. Step 3: Cross multiply
    406,877.10x = 561,379.17 × 243,467.83
  4. Step 4: Simplify right side
    406,877.10x = 136,677,768,327.10
  5. Step 5: Solve for x
    x = 136,677,768,327.10/406,877.10
  6. Step 6: Final answer
    x = 335,919.05

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