Home / 823,446.53-1,234,313.46-318,354.42

Finding the Fourth Proportional to 823,446.53, 1,234,313.46 and 318,354.42

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Solution

The fourth proportional to 823,446.53, 1,234,313.46 and 318,354.42 is: 477,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,446.53 : 1,234,313.46 = 318,354.42 : x
  2. Step 2: Convert to fraction form
    823,446.53/1,234,313.46 = 318,354.42/x
  3. Step 3: Cross multiply
    823,446.53x = 1,234,313.46 × 318,354.42
  4. Step 4: Simplify right side
    823,446.53x = 392,949,145,656.49
  5. Step 5: Solve for x
    x = 392,949,145,656.49/823,446.53
  6. Step 6: Final answer
    x = 477,200.56

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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.