Home / 799,880.67-1,199,822.22-320,324.42

Finding the Fourth Proportional to 799,880.67, 1,199,822.22 and 320,324.42

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Solution

The fourth proportional to 799,880.67, 1,199,822.22 and 320,324.42 is: 480,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,880.67 : 1,199,822.22 = 320,324.42 : x
  2. Step 2: Convert to fraction form
    799,880.67/1,199,822.22 = 320,324.42/x
  3. Step 3: Cross multiply
    799,880.67x = 1,199,822.22 × 320,324.42
  4. Step 4: Simplify right side
    799,880.67x = 384,332,359,724.17
  5. Step 5: Solve for x
    x = 384,332,359,724.17/799,880.67
  6. Step 6: Final answer
    x = 480,487.12

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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.