Home / 814,402.88-1,221,682.08-253,286.72

Finding the Fourth Proportional to 814,402.88, 1,221,682.08 and 253,286.72

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Solution

The fourth proportional to 814,402.88, 1,221,682.08 and 253,286.72 is: 379,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,402.88 : 1,221,682.08 = 253,286.72 : x
  2. Step 2: Convert to fraction form
    814,402.88/1,221,682.08 = 253,286.72/x
  3. Step 3: Cross multiply
    814,402.88x = 1,221,682.08 × 253,286.72
  4. Step 4: Simplify right side
    814,402.88x = 309,435,846,925.98
  5. Step 5: Solve for x
    x = 309,435,846,925.98/814,402.88
  6. Step 6: Final answer
    x = 379,954.26

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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.