Home / 888,847.31-1,333,529.18-320,217.59

Finding the Fourth Proportional to 888,847.31, 1,333,529.18 and 320,217.59

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Solution

The fourth proportional to 888,847.31, 1,333,529.18 and 320,217.59 is: 480,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,847.31 : 1,333,529.18 = 320,217.59 : x
  2. Step 2: Convert to fraction form
    888,847.31/1,333,529.18 = 320,217.59/x
  3. Step 3: Cross multiply
    888,847.31x = 1,333,529.18 × 320,217.59
  4. Step 4: Simplify right side
    888,847.31x = 427,019,491,945.54
  5. Step 5: Solve for x
    x = 427,019,491,945.54/888,847.31
  6. Step 6: Final answer
    x = 480,419.40

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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.