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Finding the Fourth Proportional to 410,818.80, 616,276.20 and 130,364.40

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Solution

The fourth proportional to 410,818.80, 616,276.20 and 130,364.40 is: 195,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,818.80 : 616,276.20 = 130,364.40 : x
  2. Step 2: Convert to fraction form
    410,818.80/616,276.20 = 130,364.40/x
  3. Step 3: Cross multiply
    410,818.80x = 616,276.20 × 130,364.40
  4. Step 4: Simplify right side
    410,818.80x = 80,340,477,047.28
  5. Step 5: Solve for x
    x = 80,340,477,047.28/410,818.80
  6. Step 6: Final answer
    x = 195,561.83

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