Home / 764,372.40-1,146,558.60-681,703.80

Finding the Fourth Proportional to 764,372.40, 1,146,558.60 and 681,703.80

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Solution

The fourth proportional to 764,372.40, 1,146,558.60 and 681,703.80 is: 1,022,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,372.40 : 1,146,558.60 = 681,703.80 : x
  2. Step 2: Convert to fraction form
    764,372.40/1,146,558.60 = 681,703.80/x
  3. Step 3: Cross multiply
    764,372.40x = 1,146,558.60 × 681,703.80
  4. Step 4: Simplify right side
    764,372.40x = 781,613,354,542.68
  5. Step 5: Solve for x
    x = 781,613,354,542.68/764,372.40
  6. Step 6: Final answer
    x = 1,022,555.70

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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.