Home / 779,083.16-1,067,338.89-749,949.57

Finding the Fourth Proportional to 779,083.16, 1,067,338.89 and 749,949.57

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Solution

The fourth proportional to 779,083.16, 1,067,338.89 and 749,949.57 is: 1,027,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,083.16 : 1,067,338.89 = 749,949.57 : x
  2. Step 2: Convert to fraction form
    779,083.16/1,067,338.89 = 749,949.57/x
  3. Step 3: Cross multiply
    779,083.16x = 1,067,338.89 × 749,949.57
  4. Step 4: Simplify right side
    779,083.16x = 800,450,341,599.78
  5. Step 5: Solve for x
    x = 800,450,341,599.78/779,083.16
  6. Step 6: Final answer
    x = 1,027,426.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.