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Finding the Fourth Proportional to 507,196.22, 699,922.23 and 280,836.86

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Solution

The fourth proportional to 507,196.22, 699,922.23 and 280,836.86 is: 387,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,196.22 : 699,922.23 = 280,836.86 : x
  2. Step 2: Convert to fraction form
    507,196.22/699,922.23 = 280,836.86/x
  3. Step 3: Cross multiply
    507,196.22x = 699,922.23 × 280,836.86
  4. Step 4: Simplify right side
    507,196.22x = 196,563,961,317.40
  5. Step 5: Solve for x
    x = 196,563,961,317.40/507,196.22
  6. Step 6: Final answer
    x = 387,550.13

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