Home / 823,372.20-1,136,229.16-455,865.67

Finding the Fourth Proportional to 823,372.20, 1,136,229.16 and 455,865.67

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Solution

The fourth proportional to 823,372.20, 1,136,229.16 and 455,865.67 is: 629,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,372.20 : 1,136,229.16 = 455,865.67 : x
  2. Step 2: Convert to fraction form
    823,372.20/1,136,229.16 = 455,865.67/x
  3. Step 3: Cross multiply
    823,372.20x = 1,136,229.16 × 455,865.67
  4. Step 4: Simplify right side
    823,372.20x = 517,967,867,296.94
  5. Step 5: Solve for x
    x = 517,967,867,296.94/823,372.20
  6. Step 6: Final answer
    x = 629,081.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.