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Finding the Fourth Proportional to 401,078.42, 601,212.80 and 251,423.80

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Solution

The fourth proportional to 401,078.42, 601,212.80 and 251,423.80 is: 376,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,078.42 : 601,212.80 = 251,423.80 : x
  2. Step 2: Convert to fraction form
    401,078.42/601,212.80 = 251,423.80/x
  3. Step 3: Cross multiply
    401,078.42x = 601,212.80 × 251,423.80
  4. Step 4: Simplify right side
    401,078.42x = 151,159,208,830.81
  5. Step 5: Solve for x
    x = 151,159,208,830.81/401,078.42
  6. Step 6: Final answer
    x = 376,881.93

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