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Finding the Fourth Proportional to 618,223.32, 853,162.20 and 346,311.18

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Solution

The fourth proportional to 618,223.32, 853,162.20 and 346,311.18 is: 477,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,223.32 : 853,162.20 = 346,311.18 : x
  2. Step 2: Convert to fraction form
    618,223.32/853,162.20 = 346,311.18/x
  3. Step 3: Cross multiply
    618,223.32x = 853,162.20 × 346,311.18
  4. Step 4: Simplify right side
    618,223.32x = 295,459,608,213.40
  5. Step 5: Solve for x
    x = 295,459,608,213.40/618,223.32
  6. Step 6: Final answer
    x = 477,917.28

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