Home / 951,493.87-1,313,099.40-521,789.41

Finding the Fourth Proportional to 951,493.87, 1,313,099.40 and 521,789.41

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Solution

The fourth proportional to 951,493.87, 1,313,099.40 and 521,789.41 is: 720,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,493.87 : 1,313,099.40 = 521,789.41 : x
  2. Step 2: Convert to fraction form
    951,493.87/1,313,099.40 = 521,789.41/x
  3. Step 3: Cross multiply
    951,493.87x = 1,313,099.40 × 521,789.41
  4. Step 4: Simplify right side
    951,493.87x = 685,161,361,197.35
  5. Step 5: Solve for x
    x = 685,161,361,197.35/951,493.87
  6. Step 6: Final answer
    x = 720,090.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.