Home / 863,767.37-1,294,433.17-407,872.18

Finding the Fourth Proportional to 863,767.37, 1,294,433.17 and 407,872.18

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Solution

The fourth proportional to 863,767.37, 1,294,433.17 and 407,872.18 is: 611,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,767.37 : 1,294,433.17 = 407,872.18 : x
  2. Step 2: Convert to fraction form
    863,767.37/1,294,433.17 = 407,872.18/x
  3. Step 3: Cross multiply
    863,767.37x = 1,294,433.17 × 407,872.18
  4. Step 4: Simplify right side
    863,767.37x = 527,963,278,912.21
  5. Step 5: Solve for x
    x = 527,963,278,912.21/863,767.37
  6. Step 6: Final answer
    x = 611,233.18

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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.