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Finding the Fourth Proportional to 470,112, 704,701.44 and 220,346.88

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Solution

The fourth proportional to 470,112, 704,701.44 and 220,346.88 is: 330,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,112 : 704,701.44 = 220,346.88 : x
  2. Step 2: Convert to fraction form
    470,112/704,701.44 = 220,346.88/x
  3. Step 3: Cross multiply
    470,112x = 704,701.44 × 220,346.88
  4. Step 4: Simplify right side
    470,112x = 155,278,763,635.51
  5. Step 5: Solve for x
    x = 155,278,763,635.51/470,112
  6. Step 6: Final answer
    x = 330,301.64

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