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Finding the Fourth Proportional to 603,604.81, 832,957.93 and 331,672.62

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Solution

The fourth proportional to 603,604.81, 832,957.93 and 331,672.62 is: 457,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,604.81 : 832,957.93 = 331,672.62 : x
  2. Step 2: Convert to fraction form
    603,604.81/832,957.93 = 331,672.62/x
  3. Step 3: Cross multiply
    603,604.81x = 832,957.93 × 331,672.62
  4. Step 4: Simplify right side
    603,604.81x = 276,269,342,531.06
  5. Step 5: Solve for x
    x = 276,269,342,531.06/603,604.81
  6. Step 6: Final answer
    x = 457,699.04

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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.