Home / 823,446.91-1,234,314.03-318,354.80

Finding the Fourth Proportional to 823,446.91, 1,234,314.03 and 318,354.80

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Solution

The fourth proportional to 823,446.91, 1,234,314.03 and 318,354.80 is: 477,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,446.91 : 1,234,314.03 = 318,354.80 : x
  2. Step 2: Convert to fraction form
    823,446.91/1,234,314.03 = 318,354.80/x
  3. Step 3: Cross multiply
    823,446.91x = 1,234,314.03 × 318,354.80
  4. Step 4: Simplify right side
    823,446.91x = 392,949,796,157.84
  5. Step 5: Solve for x
    x = 392,949,796,157.84/823,446.91
  6. Step 6: Final answer
    x = 477,201.13

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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.