Home / 863,371.23-1,294,318.32-331,274.13

Finding the Fourth Proportional to 863,371.23, 1,294,318.32 and 331,274.13

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Solution

The fourth proportional to 863,371.23, 1,294,318.32 and 331,274.13 is: 496,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,371.23 : 1,294,318.32 = 331,274.13 : x
  2. Step 2: Convert to fraction form
    863,371.23/1,294,318.32 = 331,274.13/x
  3. Step 3: Cross multiply
    863,371.23x = 1,294,318.32 × 331,274.13
  4. Step 4: Simplify right side
    863,371.23x = 428,774,175,401.06
  5. Step 5: Solve for x
    x = 428,774,175,401.06/863,371.23
  6. Step 6: Final answer
    x = 496,627.82

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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.