Finding the Fourth Proportional to 672,129.44, 927,495.96 and 370,323.44
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Solution
The fourth proportional to 672,129.44, 927,495.96 and 370,323.44 is: 511,022.84
Step by Step Solution
- Step 1: Write the proportion equation
672,129.44 : 927,495.96 = 370,323.44 : x - Step 2: Convert to fraction form
672,129.44/927,495.96 = 370,323.44/x - Step 3: Cross multiply
672,129.44x = 927,495.96 × 370,323.44 - Step 4: Simplify right side
672,129.44x = 343,473,494,493.30 - Step 5: Solve for x
x = 343,473,494,493.30/672,129.44 - Step 6: Final answer
x = 511,022.84
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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.