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Finding the Fourth Proportional to 473,140.20, 709,710.30 and 140,716.20

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Solution

The fourth proportional to 473,140.20, 709,710.30 and 140,716.20 is: 211,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,140.20 : 709,710.30 = 140,716.20 : x
  2. Step 2: Convert to fraction form
    473,140.20/709,710.30 = 140,716.20/x
  3. Step 3: Cross multiply
    473,140.20x = 709,710.30 × 140,716.20
  4. Step 4: Simplify right side
    473,140.20x = 99,867,736,516.86
  5. Step 5: Solve for x
    x = 99,867,736,516.86/473,140.20
  6. Step 6: Final answer
    x = 211,074.30

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