Home / 380,210.60-570,286.20-99,720.56

Finding the Fourth Proportional to 380,210.60, 570,286.20 and 99,720.56

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Solution

The fourth proportional to 380,210.60, 570,286.20 and 99,720.56 is: 149,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,210.60 : 570,286.20 = 99,720.56 : x
  2. Step 2: Convert to fraction form
    380,210.60/570,286.20 = 99,720.56/x
  3. Step 3: Cross multiply
    380,210.60x = 570,286.20 × 99,720.56
  4. Step 4: Simplify right side
    380,210.60x = 56,869,259,224.27
  5. Step 5: Solve for x
    x = 56,869,259,224.27/380,210.60
  6. Step 6: Final answer
    x = 149,573.05

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