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Finding the Fourth Proportional to 275,725.40, 413,588.10 and 98,432.60

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Solution

The fourth proportional to 275,725.40, 413,588.10 and 98,432.60 is: 147,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,725.40 : 413,588.10 = 98,432.60 : x
  2. Step 2: Convert to fraction form
    275,725.40/413,588.10 = 98,432.60/x
  3. Step 3: Cross multiply
    275,725.40x = 413,588.10 × 98,432.60
  4. Step 4: Simplify right side
    275,725.40x = 40,710,552,012.06
  5. Step 5: Solve for x
    x = 40,710,552,012.06/275,725.40
  6. Step 6: Final answer
    x = 147,648.90

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