Home / 770,664.80-1,155,997.20-696,015.20

Finding the Fourth Proportional to 770,664.80, 1,155,997.20 and 696,015.20

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Solution

The fourth proportional to 770,664.80, 1,155,997.20 and 696,015.20 is: 1,044,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,664.80 : 1,155,997.20 = 696,015.20 : x
  2. Step 2: Convert to fraction form
    770,664.80/1,155,997.20 = 696,015.20/x
  3. Step 3: Cross multiply
    770,664.80x = 1,155,997.20 × 696,015.20
  4. Step 4: Simplify right side
    770,664.80x = 804,591,622,357.44
  5. Step 5: Solve for x
    x = 804,591,622,357.44/770,664.80
  6. Step 6: Final answer
    x = 1,044,022.80

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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.