Home / 814,372.37-1,220,919.76-514,222.34

Finding the Fourth Proportional to 814,372.37, 1,220,919.76 and 514,222.34

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Solution

The fourth proportional to 814,372.37, 1,220,919.76 and 514,222.34 is: 770,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,372.37 : 1,220,919.76 = 514,222.34 : x
  2. Step 2: Convert to fraction form
    814,372.37/1,220,919.76 = 514,222.34/x
  3. Step 3: Cross multiply
    814,372.37x = 1,220,919.76 × 514,222.34
  4. Step 4: Simplify right side
    814,372.37x = 627,824,215,939.44
  5. Step 5: Solve for x
    x = 627,824,215,939.44/814,372.37
  6. Step 6: Final answer
    x = 770,930.15

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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.