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Finding the Fourth Proportional to 470,401.60, 705,602.40 and 221,569.60

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Solution

The fourth proportional to 470,401.60, 705,602.40 and 221,569.60 is: 332,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,401.60 : 705,602.40 = 221,569.60 : x
  2. Step 2: Convert to fraction form
    470,401.60/705,602.40 = 221,569.60/x
  3. Step 3: Cross multiply
    470,401.60x = 705,602.40 × 221,569.60
  4. Step 4: Simplify right side
    470,401.60x = 156,340,041,527.04
  5. Step 5: Solve for x
    x = 156,340,041,527.04/470,401.60
  6. Step 6: Final answer
    x = 332,354.40

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