Home / 823,136.44-1,136,105.70-500,950.48

Finding the Fourth Proportional to 823,136.44, 1,136,105.70 and 500,950.48

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Solution

The fourth proportional to 823,136.44, 1,136,105.70 and 500,950.48 is: 691,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,136.44 : 1,136,105.70 = 500,950.48 : x
  2. Step 2: Convert to fraction form
    823,136.44/1,136,105.70 = 500,950.48/x
  3. Step 3: Cross multiply
    823,136.44x = 1,136,105.70 × 500,950.48
  4. Step 4: Simplify right side
    823,136.44x = 569,132,695,745.74
  5. Step 5: Solve for x
    x = 569,132,695,745.74/823,136.44
  6. Step 6: Final answer
    x = 691,419.63

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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.