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Finding the Fourth Proportional to 626,766.40, 940,149.60 and 477,467.20

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Solution

The fourth proportional to 626,766.40, 940,149.60 and 477,467.20 is: 716,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,766.40 : 940,149.60 = 477,467.20 : x
  2. Step 2: Convert to fraction form
    626,766.40/940,149.60 = 477,467.20/x
  3. Step 3: Cross multiply
    626,766.40x = 940,149.60 × 477,467.20
  4. Step 4: Simplify right side
    626,766.40x = 448,890,597,093.12
  5. Step 5: Solve for x
    x = 448,890,597,093.12/626,766.40
  6. Step 6: Final answer
    x = 716,200.80

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