Finding the Fourth Proportional to 568,982.24, 855,201.12 and 380,112.80
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Solution
The fourth proportional to 568,982.24, 855,201.12 and 380,112.80 is: 571,323.44
Step by Step Solution
- Step 1: Write the proportion equation
568,982.24 : 855,201.12 = 380,112.80 : x - Step 2: Convert to fraction form
568,982.24/855,201.12 = 380,112.80/x - Step 3: Cross multiply
568,982.24x = 855,201.12 × 380,112.80 - Step 4: Simplify right side
568,982.24x = 325,072,892,286.34 - Step 5: Solve for x
x = 325,072,892,286.34/568,982.24 - Step 6: Final answer
x = 571,323.44
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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.