Home / 948,998.64-1,309,618.05-519,278.73

Finding the Fourth Proportional to 948,998.64, 1,309,618.05 and 519,278.73

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Solution

The fourth proportional to 948,998.64, 1,309,618.05 and 519,278.73 is: 716,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,998.64 : 1,309,618.05 = 519,278.73 : x
  2. Step 2: Convert to fraction form
    948,998.64/1,309,618.05 = 519,278.73/x
  3. Step 3: Cross multiply
    948,998.64x = 1,309,618.05 × 519,278.73
  4. Step 4: Simplify right side
    948,998.64x = 680,056,797,789.08
  5. Step 5: Solve for x
    x = 680,056,797,789.08/948,998.64
  6. Step 6: Final answer
    x = 716,604.61

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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.