Home / 808,387.72-1,212,247.96-275,951.68

Finding the Fourth Proportional to 808,387.72, 1,212,247.96 and 275,951.68

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Solution

The fourth proportional to 808,387.72, 1,212,247.96 and 275,951.68 is: 413,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,387.72 : 1,212,247.96 = 275,951.68 : x
  2. Step 2: Convert to fraction form
    808,387.72/1,212,247.96 = 275,951.68/x
  3. Step 3: Cross multiply
    808,387.72x = 1,212,247.96 × 275,951.68
  4. Step 4: Simplify right side
    808,387.72x = 334,521,861,138.57
  5. Step 5: Solve for x
    x = 334,521,861,138.57/808,387.72
  6. Step 6: Final answer
    x = 413,813.64

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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.