Home / 863,318.92-1,294,757.48-255,965.21

Finding the Fourth Proportional to 863,318.92, 1,294,757.48 and 255,965.21

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Solution

The fourth proportional to 863,318.92, 1,294,757.48 and 255,965.21 is: 383,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,318.92 : 1,294,757.48 = 255,965.21 : x
  2. Step 2: Convert to fraction form
    863,318.92/1,294,757.48 = 255,965.21/x
  3. Step 3: Cross multiply
    863,318.92x = 1,294,757.48 × 255,965.21
  4. Step 4: Simplify right side
    863,318.92x = 331,412,864,207.43
  5. Step 5: Solve for x
    x = 331,412,864,207.43/863,318.92
  6. Step 6: Final answer
    x = 383,882.31

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1.5x scale

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.