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Finding the Fourth Proportional to 463,785.90, 694,772.79 and 319,666.11

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Solution

The fourth proportional to 463,785.90, 694,772.79 and 319,666.11 is: 478,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,785.90 : 694,772.79 = 319,666.11 : x
  2. Step 2: Convert to fraction form
    463,785.90/694,772.79 = 319,666.11/x
  3. Step 3: Cross multiply
    463,785.90x = 694,772.79 × 319,666.11
  4. Step 4: Simplify right side
    463,785.90x = 222,095,315,113.15
  5. Step 5: Solve for x
    x = 222,095,315,113.15/463,785.90
  6. Step 6: Final answer
    x = 478,874.66

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