Home / 823,446.41-1,234,313.28-318,354.30

Finding the Fourth Proportional to 823,446.41, 1,234,313.28 and 318,354.30

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Solution

The fourth proportional to 823,446.41, 1,234,313.28 and 318,354.30 is: 477,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,446.41 : 1,234,313.28 = 318,354.30 : x
  2. Step 2: Convert to fraction form
    823,446.41/1,234,313.28 = 318,354.30/x
  3. Step 3: Cross multiply
    823,446.41x = 1,234,313.28 × 318,354.30
  4. Step 4: Simplify right side
    823,446.41x = 392,948,940,235.10
  5. Step 5: Solve for x
    x = 392,948,940,235.10/823,446.41
  6. Step 6: Final answer
    x = 477,200.38

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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.