Home / 921,227.58-1,270,712.61-634,249.44

Finding the Fourth Proportional to 921,227.58, 1,270,712.61 and 634,249.44

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Solution

The fourth proportional to 921,227.58, 1,270,712.61 and 634,249.44 is: 874,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,227.58 : 1,270,712.61 = 634,249.44 : x
  2. Step 2: Convert to fraction form
    921,227.58/1,270,712.61 = 634,249.44/x
  3. Step 3: Cross multiply
    921,227.58x = 1,270,712.61 × 634,249.44
  4. Step 4: Simplify right side
    921,227.58x = 805,948,761,293.44
  5. Step 5: Solve for x
    x = 805,948,761,293.44/921,227.58
  6. Step 6: Final answer
    x = 874,863.91

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1.5x scale

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.