Home / 456,949.06-685,566.98-274,789.52

Finding the Fourth Proportional to 456,949.06, 685,566.98 and 274,789.52

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Solution

The fourth proportional to 456,949.06, 685,566.98 and 274,789.52 is: 412,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,949.06 : 685,566.98 = 274,789.52 : x
  2. Step 2: Convert to fraction form
    456,949.06/685,566.98 = 274,789.52/x
  3. Step 3: Cross multiply
    456,949.06x = 685,566.98 × 274,789.52
  4. Step 4: Simplify right side
    456,949.06x = 188,386,621,362.05
  5. Step 5: Solve for x
    x = 188,386,621,362.05/456,949.06
  6. Step 6: Final answer
    x = 412,270.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.