Home / 979,460.76-1,469,019.06-269,317.56

Finding the Fourth Proportional to 979,460.76, 1,469,019.06 and 269,317.56

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Solution

The fourth proportional to 979,460.76, 1,469,019.06 and 269,317.56 is: 403,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,460.76 : 1,469,019.06 = 269,317.56 : x
  2. Step 2: Convert to fraction form
    979,460.76/1,469,019.06 = 269,317.56/x
  3. Step 3: Cross multiply
    979,460.76x = 1,469,019.06 × 269,317.56
  4. Step 4: Simplify right side
    979,460.76x = 395,632,628,832.69
  5. Step 5: Solve for x
    x = 395,632,628,832.69/979,460.76
  6. Step 6: Final answer
    x = 403,929.02

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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.