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Finding the Fourth Proportional to 470,209.70, 705,314.55 and 154,625.60

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Solution

The fourth proportional to 470,209.70, 705,314.55 and 154,625.60 is: 231,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,209.70 : 705,314.55 = 154,625.60 : x
  2. Step 2: Convert to fraction form
    470,209.70/705,314.55 = 154,625.60/x
  3. Step 3: Cross multiply
    470,209.70x = 705,314.55 × 154,625.60
  4. Step 4: Simplify right side
    470,209.70x = 109,059,685,482.48
  5. Step 5: Solve for x
    x = 109,059,685,482.48/470,209.70
  6. Step 6: Final answer
    x = 231,938.40

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