Home / 837,432.75-1,256,149.80-206,346.63

Finding the Fourth Proportional to 837,432.75, 1,256,149.80 and 206,346.63

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Solution

The fourth proportional to 837,432.75, 1,256,149.80 and 206,346.63 is: 309,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,432.75 : 1,256,149.80 = 206,346.63 : x
  2. Step 2: Convert to fraction form
    837,432.75/1,256,149.80 = 206,346.63/x
  3. Step 3: Cross multiply
    837,432.75x = 1,256,149.80 × 206,346.63
  4. Step 4: Simplify right side
    837,432.75x = 259,202,278,005.17
  5. Step 5: Solve for x
    x = 259,202,278,005.17/837,432.75
  6. Step 6: Final answer
    x = 309,520.11

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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.