Home / 823,445.53-1,234,311.97-318,353.42

Finding the Fourth Proportional to 823,445.53, 1,234,311.97 and 318,353.42

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Solution

The fourth proportional to 823,445.53, 1,234,311.97 and 318,353.42 is: 477,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,445.53 : 1,234,311.97 = 318,353.42 : x
  2. Step 2: Convert to fraction form
    823,445.53/1,234,311.97 = 318,353.42/x
  3. Step 3: Cross multiply
    823,445.53x = 1,234,311.97 × 318,353.42
  4. Step 4: Simplify right side
    823,445.53x = 392,947,440,033.34
  5. Step 5: Solve for x
    x = 392,947,440,033.34/823,445.53
  6. Step 6: Final answer
    x = 477,199.07

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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.