Home / 389,580.96-584,556.46-269,822.20

Finding the Fourth Proportional to 389,580.96, 584,556.46 and 269,822.20

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Solution

The fourth proportional to 389,580.96, 584,556.46 and 269,822.20 is: 404,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,580.96 : 584,556.46 = 269,822.20 : x
  2. Step 2: Convert to fraction form
    389,580.96/584,556.46 = 269,822.20/x
  3. Step 3: Cross multiply
    389,580.96x = 584,556.46 × 269,822.20
  4. Step 4: Simplify right side
    389,580.96x = 157,726,310,061.41
  5. Step 5: Solve for x
    x = 157,726,310,061.41/389,580.96
  6. Step 6: Final answer
    x = 404,861.44

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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.