Home / 439,324.80-658,112.40-252,117.60

Finding the Fourth Proportional to 439,324.80, 658,112.40 and 252,117.60

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Solution

The fourth proportional to 439,324.80, 658,112.40 and 252,117.60 is: 377,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,324.80 : 658,112.40 = 252,117.60 : x
  2. Step 2: Convert to fraction form
    439,324.80/658,112.40 = 252,117.60/x
  3. Step 3: Cross multiply
    439,324.80x = 658,112.40 × 252,117.60
  4. Step 4: Simplify right side
    439,324.80x = 165,921,718,818.24
  5. Step 5: Solve for x
    x = 165,921,718,818.24/439,324.80
  6. Step 6: Final answer
    x = 377,674.37

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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.