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Finding the Fourth Proportional to 402,065.16, 554,825.07 and 220,776.36

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Solution

The fourth proportional to 402,065.16, 554,825.07 and 220,776.36 is: 304,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,065.16 : 554,825.07 = 220,776.36 : x
  2. Step 2: Convert to fraction form
    402,065.16/554,825.07 = 220,776.36/x
  3. Step 3: Cross multiply
    402,065.16x = 554,825.07 × 220,776.36
  4. Step 4: Simplify right side
    402,065.16x = 122,492,259,391.35
  5. Step 5: Solve for x
    x = 122,492,259,391.35/402,065.16
  6. Step 6: Final answer
    x = 304,657.73

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