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Finding the Fourth Proportional to 528,764.31, 729,695.66 and 302,409.81

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Solution

The fourth proportional to 528,764.31, 729,695.66 and 302,409.81 is: 417,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,764.31 : 729,695.66 = 302,409.81 : x
  2. Step 2: Convert to fraction form
    528,764.31/729,695.66 = 302,409.81/x
  3. Step 3: Cross multiply
    528,764.31x = 729,695.66 × 302,409.81
  4. Step 4: Simplify right side
    528,764.31x = 220,667,128,478.69
  5. Step 5: Solve for x
    x = 220,667,128,478.69/528,764.31
  6. Step 6: Final answer
    x = 417,326.06

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