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Finding the Fourth Proportional to 464,442.80, 640,923.88 and 260,493.68

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Solution

The fourth proportional to 464,442.80, 640,923.88 and 260,493.68 is: 359,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,442.80 : 640,923.88 = 260,493.68 : x
  2. Step 2: Convert to fraction form
    464,442.80/640,923.88 = 260,493.68/x
  3. Step 3: Cross multiply
    464,442.80x = 640,923.88 × 260,493.68
  4. Step 4: Simplify right side
    464,442.80x = 166,956,620,101.08
  5. Step 5: Solve for x
    x = 166,956,620,101.08/464,442.80
  6. Step 6: Final answer
    x = 359,477.25

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