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Finding the Fourth Proportional to 348,522.80, 521,617.80 and 306,532.40

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Solution

The fourth proportional to 348,522.80, 521,617.80 and 306,532.40 is: 458,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,522.80 : 521,617.80 = 306,532.40 : x
  2. Step 2: Convert to fraction form
    348,522.80/521,617.80 = 306,532.40/x
  3. Step 3: Cross multiply
    348,522.80x = 521,617.80 × 306,532.40
  4. Step 4: Simplify right side
    348,522.80x = 159,892,756,116.72
  5. Step 5: Solve for x
    x = 159,892,756,116.72/348,522.80
  6. Step 6: Final answer
    x = 458,772.73

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