Home / 844,724.56-1,165,427.76-640,562.80

Finding the Fourth Proportional to 844,724.56, 1,165,427.76 and 640,562.80

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Solution

The fourth proportional to 844,724.56, 1,165,427.76 and 640,562.80 is: 883,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,724.56 : 1,165,427.76 = 640,562.80 : x
  2. Step 2: Convert to fraction form
    844,724.56/1,165,427.76 = 640,562.80/x
  3. Step 3: Cross multiply
    844,724.56x = 1,165,427.76 × 640,562.80
  4. Step 4: Simplify right side
    844,724.56x = 746,529,669,143.33
  5. Step 5: Solve for x
    x = 746,529,669,143.33/844,724.56
  6. Step 6: Final answer
    x = 883,755.14

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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.