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Finding the Fourth Proportional to 464,290.54, 639,088.86 and 406,794.31

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Solution

The fourth proportional to 464,290.54, 639,088.86 and 406,794.31 is: 559,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,290.54 : 639,088.86 = 406,794.31 : x
  2. Step 2: Convert to fraction form
    464,290.54/639,088.86 = 406,794.31/x
  3. Step 3: Cross multiply
    464,290.54x = 639,088.86 × 406,794.31
  4. Step 4: Simplify right side
    464,290.54x = 259,977,711,832.39
  5. Step 5: Solve for x
    x = 259,977,711,832.39/464,290.54
  6. Step 6: Final answer
    x = 559,946.17

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