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Finding the Fourth Proportional to 641,500.16, 961,615.20 and 303,944

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Solution

The fourth proportional to 641,500.16, 961,615.20 and 303,944 is: 455,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,500.16 : 961,615.20 = 303,944 : x
  2. Step 2: Convert to fraction form
    641,500.16/961,615.20 = 303,944/x
  3. Step 3: Cross multiply
    641,500.16x = 961,615.20 × 303,944
  4. Step 4: Simplify right side
    641,500.16x = 292,277,170,348.80
  5. Step 5: Solve for x
    x = 292,277,170,348.80/641,500.16
  6. Step 6: Final answer
    x = 455,615.12

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