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Finding the Fourth Proportional to 684,173.66, 944,309.54 and 397,858.91

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Solution

The fourth proportional to 684,173.66, 944,309.54 and 397,858.91 is: 549,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,173.66 : 944,309.54 = 397,858.91 : x
  2. Step 2: Convert to fraction form
    684,173.66/944,309.54 = 397,858.91/x
  3. Step 3: Cross multiply
    684,173.66x = 944,309.54 × 397,858.91
  4. Step 4: Simplify right side
    684,173.66x = 375,701,963,633.89
  5. Step 5: Solve for x
    x = 375,701,963,633.89/684,173.66
  6. Step 6: Final answer
    x = 549,132.46

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