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Finding the Fourth Proportional to 646,998.95, 892,846.59 and 352,651.21

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Solution

The fourth proportional to 646,998.95, 892,846.59 and 352,651.21 is: 486,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,998.95 : 892,846.59 = 352,651.21 : x
  2. Step 2: Convert to fraction form
    646,998.95/892,846.59 = 352,651.21/x
  3. Step 3: Cross multiply
    646,998.95x = 892,846.59 × 352,651.21
  4. Step 4: Simplify right side
    646,998.95x = 314,863,430,307.87
  5. Step 5: Solve for x
    x = 314,863,430,307.87/646,998.95
  6. Step 6: Final answer
    x = 486,652.15

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