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Finding the Fourth Proportional to 446,846.40, 670,269.60 and 426,110.40

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Solution

The fourth proportional to 446,846.40, 670,269.60 and 426,110.40 is: 639,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,846.40 : 670,269.60 = 426,110.40 : x
  2. Step 2: Convert to fraction form
    446,846.40/670,269.60 = 426,110.40/x
  3. Step 3: Cross multiply
    446,846.40x = 670,269.60 × 426,110.40
  4. Step 4: Simplify right side
    446,846.40x = 285,608,847,363.84
  5. Step 5: Solve for x
    x = 285,608,847,363.84/446,846.40
  6. Step 6: Final answer
    x = 639,165.60

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