Home / 941,979.20-1,299,965.38-539,648.96

Finding the Fourth Proportional to 941,979.20, 1,299,965.38 and 539,648.96

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Solution

The fourth proportional to 941,979.20, 1,299,965.38 and 539,648.96 is: 744,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,979.20 : 1,299,965.38 = 539,648.96 : x
  2. Step 2: Convert to fraction form
    941,979.20/1,299,965.38 = 539,648.96/x
  3. Step 3: Cross multiply
    941,979.20x = 1,299,965.38 × 539,648.96
  4. Step 4: Simplify right side
    941,979.20x = 701,524,965,353.01
  5. Step 5: Solve for x
    x = 701,524,965,353.01/941,979.20
  6. Step 6: Final answer
    x = 744,735.09

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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.