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Finding the Fourth Proportional to 470,130.96, 648,783.28 and 255,271.04

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Solution

The fourth proportional to 470,130.96, 648,783.28 and 255,271.04 is: 352,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,130.96 : 648,783.28 = 255,271.04 : x
  2. Step 2: Convert to fraction form
    470,130.96/648,783.28 = 255,271.04/x
  3. Step 3: Cross multiply
    470,130.96x = 648,783.28 × 255,271.04
  4. Step 4: Simplify right side
    470,130.96x = 165,615,582,620.21
  5. Step 5: Solve for x
    x = 165,615,582,620.21/470,130.96
  6. Step 6: Final answer
    x = 352,275.42

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