Finding the Fourth Proportional to 846,193.20, 1,268,625.27 and 579,144.09
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Solution
The fourth proportional to 846,193.20, 1,268,625.27 and 579,144.09 is: 868,261.32
Step by Step Solution
- Step 1: Write the proportion equation
846,193.20 : 1,268,625.27 = 579,144.09 : x - Step 2: Convert to fraction form
846,193.20/1,268,625.27 = 579,144.09/x - Step 3: Cross multiply
846,193.20x = 1,268,625.27 × 579,144.09 - Step 4: Simplify right side
846,193.20x = 734,716,827,545.15 - Step 5: Solve for x
x = 734,716,827,545.15/846,193.20 - Step 6: Final answer
x = 868,261.32
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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.