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Finding the Fourth Proportional to 353,600.80, 530,401.20 and 314,893.60

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Solution

The fourth proportional to 353,600.80, 530,401.20 and 314,893.60 is: 472,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,600.80 : 530,401.20 = 314,893.60 : x
  2. Step 2: Convert to fraction form
    353,600.80/530,401.20 = 314,893.60/x
  3. Step 3: Cross multiply
    353,600.80x = 530,401.20 × 314,893.60
  4. Step 4: Simplify right side
    353,600.80x = 167,019,943,312.32
  5. Step 5: Solve for x
    x = 167,019,943,312.32/353,600.80
  6. Step 6: Final answer
    x = 472,340.40

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