Finding the Fourth Proportional to 904,948.12, 1,356,197.46 and 343,676.44
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Solution
The fourth proportional to 904,948.12, 1,356,197.46 and 343,676.44 is: 515,049.54
Step by Step Solution
- Step 1: Write the proportion equation
904,948.12 : 1,356,197.46 = 343,676.44 : x - Step 2: Convert to fraction form
904,948.12/1,356,197.46 = 343,676.44/x - Step 3: Cross multiply
904,948.12x = 1,356,197.46 × 343,676.44 - Step 4: Simplify right side
904,948.12x = 466,093,114,989.84 - Step 5: Solve for x
x = 466,093,114,989.84/904,948.12 - Step 6: Final answer
x = 515,049.54
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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.