Home / 837,321.76-1,255,982.96-206,247.84

Finding the Fourth Proportional to 837,321.76, 1,255,982.96 and 206,247.84

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Solution

The fourth proportional to 837,321.76, 1,255,982.96 and 206,247.84 is: 309,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,321.76 : 1,255,982.96 = 206,247.84 : x
  2. Step 2: Convert to fraction form
    837,321.76/1,255,982.96 = 206,247.84/x
  3. Step 3: Cross multiply
    837,321.76x = 1,255,982.96 × 206,247.84
  4. Step 4: Simplify right side
    837,321.76x = 259,043,772,576.81
  5. Step 5: Solve for x
    x = 259,043,772,576.81/837,321.76
  6. Step 6: Final answer
    x = 309,371.84

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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.