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Finding the Fourth Proportional to 568,458.46, 784,484.54 and 310,346.29

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Solution

The fourth proportional to 568,458.46, 784,484.54 and 310,346.29 is: 428,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,458.46 : 784,484.54 = 310,346.29 : x
  2. Step 2: Convert to fraction form
    568,458.46/784,484.54 = 310,346.29/x
  3. Step 3: Cross multiply
    568,458.46x = 784,484.54 × 310,346.29
  4. Step 4: Simplify right side
    568,458.46x = 243,461,864,477.00
  5. Step 5: Solve for x
    x = 243,461,864,477.00/568,458.46
  6. Step 6: Final answer
    x = 428,284.36

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