Finding the Fourth Proportional to 672,368.68, 927,845.22 and 366,438.76
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Solution
The fourth proportional to 672,368.68, 927,845.22 and 366,438.76 is: 505,672.65
Step by Step Solution
- Step 1: Write the proportion equation
672,368.68 : 927,845.22 = 366,438.76 : x - Step 2: Convert to fraction form
672,368.68/927,845.22 = 366,438.76/x - Step 3: Cross multiply
672,368.68x = 927,845.22 × 366,438.76 - Step 4: Simplify right side
672,368.68x = 339,998,451,888.73 - Step 5: Solve for x
x = 339,998,451,888.73/672,368.68 - Step 6: Final answer
x = 505,672.65
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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.