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Finding the Fourth Proportional to 541,514.44, 813,017.06 and 275,455

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Solution

The fourth proportional to 541,514.44, 813,017.06 and 275,455 is: 413,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,514.44 : 813,017.06 = 275,455 : x
  2. Step 2: Convert to fraction form
    541,514.44/813,017.06 = 275,455/x
  3. Step 3: Cross multiply
    541,514.44x = 813,017.06 × 275,455
  4. Step 4: Simplify right side
    541,514.44x = 223,949,614,262.30
  5. Step 5: Solve for x
    x = 223,949,614,262.30/541,514.44
  6. Step 6: Final answer
    x = 413,561.67

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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.