Home / 380,890.20-571,481.10-374,912.40

Finding the Fourth Proportional to 380,890.20, 571,481.10 and 374,912.40

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Solution

The fourth proportional to 380,890.20, 571,481.10 and 374,912.40 is: 562,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,890.20 : 571,481.10 = 374,912.40 : x
  2. Step 2: Convert to fraction form
    380,890.20/571,481.10 = 374,912.40/x
  3. Step 3: Cross multiply
    380,890.20x = 571,481.10 × 374,912.40
  4. Step 4: Simplify right side
    380,890.20x = 214,255,350,755.64
  5. Step 5: Solve for x
    x = 214,255,350,755.64/380,890.20
  6. Step 6: Final answer
    x = 562,512.11

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