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Finding the Fourth Proportional to 603,608.52, 832,979.52 and 331,693.92

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Solution

The fourth proportional to 603,608.52, 832,979.52 and 331,693.92 is: 457,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,608.52 : 832,979.52 = 331,693.92 : x
  2. Step 2: Convert to fraction form
    603,608.52/832,979.52 = 331,693.92/x
  3. Step 3: Cross multiply
    603,608.52x = 832,979.52 × 331,693.92
  4. Step 4: Simplify right side
    603,608.52x = 276,294,242,268.52
  5. Step 5: Solve for x
    x = 276,294,242,268.52/603,608.52
  6. Step 6: Final answer
    x = 457,737.48

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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.