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Finding the Fourth Proportional to 383,760.69, 575,642.40 and 117,520.03

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Solution

The fourth proportional to 383,760.69, 575,642.40 and 117,520.03 is: 176,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,760.69 : 575,642.40 = 117,520.03 : x
  2. Step 2: Convert to fraction form
    383,760.69/575,642.40 = 117,520.03/x
  3. Step 3: Cross multiply
    383,760.69x = 575,642.40 × 117,520.03
  4. Step 4: Simplify right side
    383,760.69x = 67,649,512,117.27
  5. Step 5: Solve for x
    x = 67,649,512,117.27/383,760.69
  6. Step 6: Final answer
    x = 176,280.46

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