Home / 419,766.60-579,261.02-228,775.88

Finding the Fourth Proportional to 419,766.60, 579,261.02 and 228,775.88

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Solution

The fourth proportional to 419,766.60, 579,261.02 and 228,775.88 is: 315,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,766.60 : 579,261.02 = 228,775.88 : x
  2. Step 2: Convert to fraction form
    419,766.60/579,261.02 = 228,775.88/x
  3. Step 3: Cross multiply
    419,766.60x = 579,261.02 × 228,775.88
  4. Step 4: Simplify right side
    419,766.60x = 132,520,949,600.20
  5. Step 5: Solve for x
    x = 132,520,949,600.20/419,766.60
  6. Step 6: Final answer
    x = 315,701.51

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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.