Home / 823,465.88-1,234,342.44-318,373.78

Finding the Fourth Proportional to 823,465.88, 1,234,342.44 and 318,373.78

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Solution

The fourth proportional to 823,465.88, 1,234,342.44 and 318,373.78 is: 477,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,465.88 : 1,234,342.44 = 318,373.78 : x
  2. Step 2: Convert to fraction form
    823,465.88/1,234,342.44 = 318,373.78/x
  3. Step 3: Cross multiply
    823,465.88x = 1,234,342.44 × 318,373.78
  4. Step 4: Simplify right side
    823,465.88x = 392,982,268,437.22
  5. Step 5: Solve for x
    x = 392,982,268,437.22/823,465.88
  6. Step 6: Final answer
    x = 477,229.57

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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.