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Finding the Fourth Proportional to 465,866.80, 698,800.20 and 347,768.80

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Solution

The fourth proportional to 465,866.80, 698,800.20 and 347,768.80 is: 521,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,866.80 : 698,800.20 = 347,768.80 : x
  2. Step 2: Convert to fraction form
    465,866.80/698,800.20 = 347,768.80/x
  3. Step 3: Cross multiply
    465,866.80x = 698,800.20 × 347,768.80
  4. Step 4: Simplify right side
    465,866.80x = 243,020,906,993.76
  5. Step 5: Solve for x
    x = 243,020,906,993.76/465,866.80
  6. Step 6: Final answer
    x = 521,653.20

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