Finding the Fourth Proportional to 676,438.09, 933,473.37 and 370,511.62
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Solution
The fourth proportional to 676,438.09, 933,473.37 and 370,511.62 is: 511,299.90
Step by Step Solution
- Step 1: Write the proportion equation
676,438.09 : 933,473.37 = 370,511.62 : x - Step 2: Convert to fraction form
676,438.09/933,473.37 = 370,511.62/x - Step 3: Cross multiply
676,438.09x = 933,473.37 × 370,511.62 - Step 4: Simplify right side
676,438.09x = 345,862,730,545.56 - Step 5: Solve for x
x = 345,862,730,545.56/676,438.09 - Step 6: Final answer
x = 511,299.90
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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.