Home / 669,191.68-1,003,916.16-269,872.88

Finding the Fourth Proportional to 669,191.68, 1,003,916.16 and 269,872.88

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Solution

The fourth proportional to 669,191.68, 1,003,916.16 and 269,872.88 is: 404,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,191.68 : 1,003,916.16 = 269,872.88 : x
  2. Step 2: Convert to fraction form
    669,191.68/1,003,916.16 = 269,872.88/x
  3. Step 3: Cross multiply
    669,191.68x = 1,003,916.16 × 269,872.88
  4. Step 4: Simplify right side
    669,191.68x = 270,929,745,377.74
  5. Step 5: Solve for x
    x = 270,929,745,377.74/669,191.68
  6. Step 6: Final answer
    x = 404,861.20

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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.