Home / 814,499.44-1,221,258.24-365,138.96

Finding the Fourth Proportional to 814,499.44, 1,221,258.24 and 365,138.96

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Solution

The fourth proportional to 814,499.44, 1,221,258.24 and 365,138.96 is: 547,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,499.44 : 1,221,258.24 = 365,138.96 : x
  2. Step 2: Convert to fraction form
    814,499.44/1,221,258.24 = 365,138.96/x
  3. Step 3: Cross multiply
    814,499.44x = 1,221,258.24 × 365,138.96
  4. Step 4: Simplify right side
    814,499.44x = 445,928,963,645.03
  5. Step 5: Solve for x
    x = 445,928,963,645.03/814,499.44
  6. Step 6: Final answer
    x = 547,488.36

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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.