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Finding the Fourth Proportional to 602,997.53, 832,099.28 and 331,063.89

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Solution

The fourth proportional to 602,997.53, 832,099.28 and 331,063.89 is: 456,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,997.53 : 832,099.28 = 331,063.89 : x
  2. Step 2: Convert to fraction form
    602,997.53/832,099.28 = 331,063.89/x
  3. Step 3: Cross multiply
    602,997.53x = 832,099.28 × 331,063.89
  4. Step 4: Simplify right side
    602,997.53x = 275,478,022,847.68
  5. Step 5: Solve for x
    x = 275,478,022,847.68/602,997.53
  6. Step 6: Final answer
    x = 456,847.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.