Home / 669,274.22-1,003,534.05-219,874.43

Finding the Fourth Proportional to 669,274.22, 1,003,534.05 and 219,874.43

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Solution

The fourth proportional to 669,274.22, 1,003,534.05 and 219,874.43 is: 329,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,274.22 : 1,003,534.05 = 219,874.43 : x
  2. Step 2: Convert to fraction form
    669,274.22/1,003,534.05 = 219,874.43/x
  3. Step 3: Cross multiply
    669,274.22x = 1,003,534.05 × 219,874.43
  4. Step 4: Simplify right side
    669,274.22x = 220,651,479,738.18
  5. Step 5: Solve for x
    x = 220,651,479,738.18/669,274.22
  6. Step 6: Final answer
    x = 329,687.70

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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.