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Finding the Fourth Proportional to 348,506.60, 522,068.70 and 207,847.40

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Solution

The fourth proportional to 348,506.60, 522,068.70 and 207,847.40 is: 311,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,506.60 : 522,068.70 = 207,847.40 : x
  2. Step 2: Convert to fraction form
    348,506.60/522,068.70 = 207,847.40/x
  3. Step 3: Cross multiply
    348,506.60x = 522,068.70 × 207,847.40
  4. Step 4: Simplify right side
    348,506.60x = 108,510,621,916.38
  5. Step 5: Solve for x
    x = 108,510,621,916.38/348,506.60
  6. Step 6: Final answer
    x = 311,358.87

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