Home / 475,933.50-656,788.23-274,729.50

Finding the Fourth Proportional to 475,933.50, 656,788.23 and 274,729.50

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Solution

The fourth proportional to 475,933.50, 656,788.23 and 274,729.50 is: 379,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,933.50 : 656,788.23 = 274,729.50 : x
  2. Step 2: Convert to fraction form
    475,933.50/656,788.23 = 274,729.50/x
  3. Step 3: Cross multiply
    475,933.50x = 656,788.23 × 274,729.50
  4. Step 4: Simplify right side
    475,933.50x = 180,439,102,033.79
  5. Step 5: Solve for x
    x = 180,439,102,033.79/475,933.50
  6. Step 6: Final answer
    x = 379,126.71

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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.