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Finding the Fourth Proportional to 435,373.20, 653,059.80 and 380,077.20

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Solution

The fourth proportional to 435,373.20, 653,059.80 and 380,077.20 is: 570,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,373.20 : 653,059.80 = 380,077.20 : x
  2. Step 2: Convert to fraction form
    435,373.20/653,059.80 = 380,077.20/x
  3. Step 3: Cross multiply
    435,373.20x = 653,059.80 × 380,077.20
  4. Step 4: Simplify right side
    435,373.20x = 248,213,140,216.56
  5. Step 5: Solve for x
    x = 248,213,140,216.56/435,373.20
  6. Step 6: Final answer
    x = 570,115.80

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