Home / 948,789.54-1,309,419.68-519,134.22

Finding the Fourth Proportional to 948,789.54, 1,309,419.68 and 519,134.22

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Solution

The fourth proportional to 948,789.54, 1,309,419.68 and 519,134.22 is: 716,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,789.54 : 1,309,419.68 = 519,134.22 : x
  2. Step 2: Convert to fraction form
    948,789.54/1,309,419.68 = 519,134.22/x
  3. Step 3: Cross multiply
    948,789.54x = 1,309,419.68 × 519,134.22
  4. Step 4: Simplify right side
    948,789.54x = 679,764,561,633.78
  5. Step 5: Solve for x
    x = 679,764,561,633.78/948,789.54
  6. Step 6: Final answer
    x = 716,454.53

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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.