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Finding the Fourth Proportional to 391,019.96, 586,510.47 and 229,005.06

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Solution

The fourth proportional to 391,019.96, 586,510.47 and 229,005.06 is: 343,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,019.96 : 586,510.47 = 229,005.06 : x
  2. Step 2: Convert to fraction form
    391,019.96/586,510.47 = 229,005.06/x
  3. Step 3: Cross multiply
    391,019.96x = 586,510.47 × 229,005.06
  4. Step 4: Simplify right side
    391,019.96x = 134,313,865,372.98
  5. Step 5: Solve for x
    x = 134,313,865,372.98/391,019.96
  6. Step 6: Final answer
    x = 343,496.19

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