Home / 779,077.39-1,067,331.01-749,943.82

Finding the Fourth Proportional to 779,077.39, 1,067,331.01 and 749,943.82

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Solution

The fourth proportional to 779,077.39, 1,067,331.01 and 749,943.82 is: 1,027,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,077.39 : 1,067,331.01 = 749,943.82 : x
  2. Step 2: Convert to fraction form
    779,077.39/1,067,331.01 = 749,943.82/x
  3. Step 3: Cross multiply
    779,077.39x = 1,067,331.01 × 749,943.82
  4. Step 4: Simplify right side
    779,077.39x = 800,438,294,843.86
  5. Step 5: Solve for x
    x = 800,438,294,843.86/779,077.39
  6. Step 6: Final answer
    x = 1,027,418.21

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1.5x scale

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.