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Finding the Fourth Proportional to 603,604.00, 832,973.28 and 331,689.43

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Solution

The fourth proportional to 603,604.00, 832,973.28 and 331,689.43 is: 457,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,604.00 : 832,973.28 = 331,689.43 : x
  2. Step 2: Convert to fraction form
    603,604.00/832,973.28 = 331,689.43/x
  3. Step 3: Cross multiply
    603,604.00x = 832,973.28 × 331,689.43
  4. Step 4: Simplify right side
    603,604.00x = 276,288,430,366.00
  5. Step 5: Solve for x
    x = 276,288,430,366.00/603,604.00
  6. Step 6: Final answer
    x = 457,731.28

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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.