Finding the Fourth Proportional to 847,933.92, 1,168,979.44 and 676,433.84
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Solution
The fourth proportional to 847,933.92, 1,168,979.44 and 676,433.84 is: 932,545.84
Step by Step Solution
- Step 1: Write the proportion equation
847,933.92 : 1,168,979.44 = 676,433.84 : x - Step 2: Convert to fraction form
847,933.92/1,168,979.44 = 676,433.84/x - Step 3: Cross multiply
847,933.92x = 1,168,979.44 × 676,433.84 - Step 4: Simplify right side
847,933.92x = 790,737,251,480.25 - Step 5: Solve for x
x = 790,737,251,480.25/847,933.92 - Step 6: Final answer
x = 932,545.84
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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.