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Finding the Fourth Proportional to 528,766.56, 729,698.78 and 302,412.06

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Solution

The fourth proportional to 528,766.56, 729,698.78 and 302,412.06 is: 417,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,766.56 : 729,698.78 = 302,412.06 : x
  2. Step 2: Convert to fraction form
    528,766.56/729,698.78 = 302,412.06/x
  3. Step 3: Cross multiply
    528,766.56x = 729,698.78 × 302,412.06
  4. Step 4: Simplify right side
    528,766.56x = 220,669,711,239.29
  5. Step 5: Solve for x
    x = 220,669,711,239.29/528,766.56
  6. Step 6: Final answer
    x = 417,329.17

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