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Finding the Fourth Proportional to 470,191.40, 648,865.46 and 255,335.08

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Solution

The fourth proportional to 470,191.40, 648,865.46 and 255,335.08 is: 352,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,191.40 : 648,865.46 = 255,335.08 : x
  2. Step 2: Convert to fraction form
    470,191.40/648,865.46 = 255,335.08/x
  3. Step 3: Cross multiply
    470,191.40x = 648,865.46 × 255,335.08
  4. Step 4: Simplify right side
    470,191.40x = 165,678,114,138.34
  5. Step 5: Solve for x
    x = 165,678,114,138.34/470,191.40
  6. Step 6: Final answer
    x = 352,363.13

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