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Finding the Fourth Proportional to 512,648.08, 702,316.19 and 493,480.78

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Solution

The fourth proportional to 512,648.08, 702,316.19 and 493,480.78 is: 676,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,648.08 : 702,316.19 = 493,480.78 : x
  2. Step 2: Convert to fraction form
    512,648.08/702,316.19 = 493,480.78/x
  3. Step 3: Cross multiply
    512,648.08x = 702,316.19 × 493,480.78
  4. Step 4: Simplify right side
    512,648.08x = 346,579,541,247.83
  5. Step 5: Solve for x
    x = 346,579,541,247.83/512,648.08
  6. Step 6: Final answer
    x = 676,057.43

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