Home / 789,322.91-1,184,649.82-309,887.44

Finding the Fourth Proportional to 789,322.91, 1,184,649.82 and 309,887.44

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Solution

The fourth proportional to 789,322.91, 1,184,649.82 and 309,887.44 is: 465,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,322.91 : 1,184,649.82 = 309,887.44 : x
  2. Step 2: Convert to fraction form
    789,322.91/1,184,649.82 = 309,887.44/x
  3. Step 3: Cross multiply
    789,322.91x = 1,184,649.82 × 309,887.44
  4. Step 4: Simplify right side
    789,322.91x = 367,108,096,279.92
  5. Step 5: Solve for x
    x = 367,108,096,279.92/789,322.91
  6. Step 6: Final answer
    x = 465,092.42

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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.