Finding the Fourth Proportional to 826,809.62, 1,138,634.69 and 744,436.26
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Solution
The fourth proportional to 826,809.62, 1,138,634.69 and 744,436.26 is: 1,025,194.83
Step by Step Solution
- Step 1: Write the proportion equation
826,809.62 : 1,138,634.69 = 744,436.26 : x - Step 2: Convert to fraction form
826,809.62/1,138,634.69 = 744,436.26/x - Step 3: Cross multiply
826,809.62x = 1,138,634.69 × 744,436.26 - Step 4: Simplify right side
826,809.62x = 847,640,946,407.68 - Step 5: Solve for x
x = 847,640,946,407.68/826,809.62 - Step 6: Final answer
x = 1,025,194.83
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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.