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Finding the Fourth Proportional to 454,236.40, 680,771.40 and 348,531.40

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Solution

The fourth proportional to 454,236.40, 680,771.40 and 348,531.40 is: 522,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,236.40 : 680,771.40 = 348,531.40 : x
  2. Step 2: Convert to fraction form
    454,236.40/680,771.40 = 348,531.40/x
  3. Step 3: Cross multiply
    454,236.40x = 680,771.40 × 348,531.40
  4. Step 4: Simplify right side
    454,236.40x = 237,270,209,121.96
  5. Step 5: Solve for x
    x = 237,270,209,121.96/454,236.40
  6. Step 6: Final answer
    x = 522,349.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.