Home / 979,343.06-1,469,466.77-447,027.26

Finding the Fourth Proportional to 979,343.06, 1,469,466.77 and 447,027.26

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Solution

The fourth proportional to 979,343.06, 1,469,466.77 and 447,027.26 is: 670,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,343.06 : 1,469,466.77 = 447,027.26 : x
  2. Step 2: Convert to fraction form
    979,343.06/1,469,466.77 = 447,027.26/x
  3. Step 3: Cross multiply
    979,343.06x = 1,469,466.77 × 447,027.26
  4. Step 4: Simplify right side
    979,343.06x = 656,891,694,271.68
  5. Step 5: Solve for x
    x = 656,891,694,271.68/979,343.06
  6. Step 6: Final answer
    x = 670,747.28

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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.