Home / 419,829.76-579,037.44-268,940.80

Finding the Fourth Proportional to 419,829.76, 579,037.44 and 268,940.80

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Solution

The fourth proportional to 419,829.76, 579,037.44 and 268,940.80 is: 370,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,829.76 : 579,037.44 = 268,940.80 : x
  2. Step 2: Convert to fraction form
    419,829.76/579,037.44 = 268,940.80/x
  3. Step 3: Cross multiply
    419,829.76x = 579,037.44 × 268,940.80
  4. Step 4: Simplify right side
    419,829.76x = 155,726,792,343.55
  5. Step 5: Solve for x
    x = 155,726,792,343.55/419,829.76
  6. Step 6: Final answer
    x = 370,928.43

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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.