Home / 814,494.44-1,221,442.14-281,878.76

Finding the Fourth Proportional to 814,494.44, 1,221,442.14 and 281,878.76

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Solution

The fourth proportional to 814,494.44, 1,221,442.14 and 281,878.76 is: 422,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,494.44 : 1,221,442.14 = 281,878.76 : x
  2. Step 2: Convert to fraction form
    814,494.44/1,221,442.14 = 281,878.76/x
  3. Step 3: Cross multiply
    814,494.44x = 1,221,442.14 × 281,878.76
  4. Step 4: Simplify right side
    814,494.44x = 344,298,595,834.95
  5. Step 5: Solve for x
    x = 344,298,595,834.95/814,494.44
  6. Step 6: Final answer
    x = 422,714.48

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1.5x scale

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.