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Finding the Fourth Proportional to 543,943.03, 814,793.22 and 318,620.34

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Solution

The fourth proportional to 543,943.03, 814,793.22 and 318,620.34 is: 477,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,943.03 : 814,793.22 = 318,620.34 : x
  2. Step 2: Convert to fraction form
    543,943.03/814,793.22 = 318,620.34/x
  3. Step 3: Cross multiply
    543,943.03x = 814,793.22 × 318,620.34
  4. Step 4: Simplify right side
    543,943.03x = 259,609,692,786.10
  5. Step 5: Solve for x
    x = 259,609,692,786.10/543,943.03
  6. Step 6: Final answer
    x = 477,273.68

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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.