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Finding the Fourth Proportional to 719.05, 992.33 and 424.51

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Solution

The fourth proportional to 719.05, 992.33 and 424.51 is: 585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    719.05 : 992.33 = 424.51 : x
  2. Step 2: Convert to fraction form
    719.05/992.33 = 424.51/x
  3. Step 3: Cross multiply
    719.05x = 992.33 × 424.51
  4. Step 4: Simplify right side
    719.05x = 421,254.01
  5. Step 5: Solve for x
    x = 421,254.01/719.05
  6. Step 6: Final answer
    x = 585.85

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