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Finding the Fourth Proportional to 441,018.87, 660,693.59 and 260,564.64

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Solution

The fourth proportional to 441,018.87, 660,693.59 and 260,564.64 is: 390,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,018.87 : 660,693.59 = 260,564.64 : x
  2. Step 2: Convert to fraction form
    441,018.87/660,693.59 = 260,564.64/x
  3. Step 3: Cross multiply
    441,018.87x = 660,693.59 × 260,564.64
  4. Step 4: Simplify right side
    441,018.87x = 172,153,386,125.83
  5. Step 5: Solve for x
    x = 172,153,386,125.83/441,018.87
  6. Step 6: Final answer
    x = 390,353.79

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