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Finding the Fourth Proportional to 453,606.29, 680,028.06 and 303,388.09

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Solution

The fourth proportional to 453,606.29, 680,028.06 and 303,388.09 is: 454,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,606.29 : 680,028.06 = 303,388.09 : x
  2. Step 2: Convert to fraction form
    453,606.29/680,028.06 = 303,388.09/x
  3. Step 3: Cross multiply
    453,606.29x = 680,028.06 × 303,388.09
  4. Step 4: Simplify right side
    453,606.29x = 206,312,416,257.55
  5. Step 5: Solve for x
    x = 206,312,416,257.55/453,606.29
  6. Step 6: Final answer
    x = 454,827.06

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Why These Related Problems?

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