Home / 419,629.46-579,088.74-228,642.85

Finding the Fourth Proportional to 419,629.46, 579,088.74 and 228,642.85

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Solution

The fourth proportional to 419,629.46, 579,088.74 and 228,642.85 is: 315,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,629.46 : 579,088.74 = 228,642.85 : x
  2. Step 2: Convert to fraction form
    419,629.46/579,088.74 = 228,642.85/x
  3. Step 3: Cross multiply
    419,629.46x = 579,088.74 × 228,642.85
  4. Step 4: Simplify right side
    419,629.46x = 132,404,501,497.78
  5. Step 5: Solve for x
    x = 132,404,501,497.78/419,629.46
  6. Step 6: Final answer
    x = 315,527.18

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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.