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Finding the Fourth Proportional to 522,678.35, 721,208.67 and 307,861.19

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Solution

The fourth proportional to 522,678.35, 721,208.67 and 307,861.19 is: 424,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,678.35 : 721,208.67 = 307,861.19 : x
  2. Step 2: Convert to fraction form
    522,678.35/721,208.67 = 307,861.19/x
  3. Step 3: Cross multiply
    522,678.35x = 721,208.67 × 307,861.19
  4. Step 4: Simplify right side
    522,678.35x = 222,032,159,384.52
  5. Step 5: Solve for x
    x = 222,032,159,384.52/522,678.35
  6. Step 6: Final answer
    x = 424,796.94

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