Home / 495,553.37-743,321.28-187,864.57

Finding the Fourth Proportional to 495,553.37, 743,321.28 and 187,864.57

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Solution

The fourth proportional to 495,553.37, 743,321.28 and 187,864.57 is: 281,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,553.37 : 743,321.28 = 187,864.57 : x
  2. Step 2: Convert to fraction form
    495,553.37/743,321.28 = 187,864.57/x
  3. Step 3: Cross multiply
    495,553.37x = 743,321.28 × 187,864.57
  4. Step 4: Simplify right side
    495,553.37x = 139,643,732,639.05
  5. Step 5: Solve for x
    x = 139,643,732,639.05/495,553.37
  6. Step 6: Final answer
    x = 281,793.53

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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.