Home / 495,757.44-743,503.32-215,208

Finding the Fourth Proportional to 495,757.44, 743,503.32 and 215,208

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Solution

The fourth proportional to 495,757.44, 743,503.32 and 215,208 is: 322,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,757.44 : 743,503.32 = 215,208 : x
  2. Step 2: Convert to fraction form
    495,757.44/743,503.32 = 215,208/x
  3. Step 3: Cross multiply
    495,757.44x = 743,503.32 × 215,208
  4. Step 4: Simplify right side
    495,757.44x = 160,007,862,490.56
  5. Step 5: Solve for x
    x = 160,007,862,490.56/495,757.44
  6. Step 6: Final answer
    x = 322,754.33

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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.