Home / 857,994.73-1,287,250.44-773,357.83

Finding the Fourth Proportional to 857,994.73, 1,287,250.44 and 773,357.83

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Solution

The fourth proportional to 857,994.73, 1,287,250.44 and 773,357.83 is: 1,160,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,994.73 : 1,287,250.44 = 773,357.83 : x
  2. Step 2: Convert to fraction form
    857,994.73/1,287,250.44 = 773,357.83/x
  3. Step 3: Cross multiply
    857,994.73x = 1,287,250.44 × 773,357.83
  4. Step 4: Simplify right side
    857,994.73x = 995,505,206,944.95
  5. Step 5: Solve for x
    x = 995,505,206,944.95/857,994.73
  6. Step 6: Final answer
    x = 1,160,269.61

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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.