Home / 419,820.06-579,334.50-228,829.26

Finding the Fourth Proportional to 419,820.06, 579,334.50 and 228,829.26

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Solution

The fourth proportional to 419,820.06, 579,334.50 and 228,829.26 is: 315,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,820.06 : 579,334.50 = 228,829.26 : x
  2. Step 2: Convert to fraction form
    419,820.06/579,334.50 = 228,829.26/x
  3. Step 3: Cross multiply
    419,820.06x = 579,334.50 × 228,829.26
  4. Step 4: Simplify right side
    419,820.06x = 132,568,684,927.47
  5. Step 5: Solve for x
    x = 132,568,684,927.47/419,820.06
  6. Step 6: Final answer
    x = 315,775.01

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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.