Home / 456,222.06-629,610.39-274,991.58

Finding the Fourth Proportional to 456,222.06, 629,610.39 and 274,991.58

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Solution

The fourth proportional to 456,222.06, 629,610.39 and 274,991.58 is: 379,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,222.06 : 629,610.39 = 274,991.58 : x
  2. Step 2: Convert to fraction form
    456,222.06/629,610.39 = 274,991.58/x
  3. Step 3: Cross multiply
    456,222.06x = 629,610.39 × 274,991.58
  4. Step 4: Simplify right side
    456,222.06x = 173,137,555,930.52
  5. Step 5: Solve for x
    x = 173,137,555,930.52/456,222.06
  6. Step 6: Final answer
    x = 379,502.81

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1.5x scale

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.