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Finding the Fourth Proportional to 486,749.80, 730,111.94 and 220,316.08

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Solution

The fourth proportional to 486,749.80, 730,111.94 and 220,316.08 is: 330,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,749.80 : 730,111.94 = 220,316.08 : x
  2. Step 2: Convert to fraction form
    486,749.80/730,111.94 = 220,316.08/x
  3. Step 3: Cross multiply
    486,749.80x = 730,111.94 × 220,316.08
  4. Step 4: Simplify right side
    486,749.80x = 160,855,400,582.00
  5. Step 5: Solve for x
    x = 160,855,400,582.00/486,749.80
  6. Step 6: Final answer
    x = 330,468.34

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