Finding the Fourth Proportional to 936,845.40, 1,405,122.30 and 262,860.60
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Solution
The fourth proportional to 936,845.40, 1,405,122.30 and 262,860.60 is: 394,249.99
Step by Step Solution
- Step 1: Write the proportion equation
936,845.40 : 1,405,122.30 = 262,860.60 : x - Step 2: Convert to fraction form
936,845.40/1,405,122.30 = 262,860.60/x - Step 3: Cross multiply
936,845.40x = 1,405,122.30 × 262,860.60 - Step 4: Simplify right side
936,845.40x = 369,351,290,851.38 - Step 5: Solve for x
x = 369,351,290,851.38/936,845.40 - Step 6: Final answer
x = 394,249.99
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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.