Home / 419,734.03-579,216.06-228,743.32

Finding the Fourth Proportional to 419,734.03, 579,216.06 and 228,743.32

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Solution

The fourth proportional to 419,734.03, 579,216.06 and 228,743.32 is: 315,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,734.03 : 579,216.06 = 228,743.32 : x
  2. Step 2: Convert to fraction form
    419,734.03/579,216.06 = 228,743.32/x
  3. Step 3: Cross multiply
    419,734.03x = 579,216.06 × 228,743.32
  4. Step 4: Simplify right side
    419,734.03x = 132,491,804,561.72
  5. Step 5: Solve for x
    x = 132,491,804,561.72/419,734.03
  6. Step 6: Final answer
    x = 315,656.57

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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.