Finding the Fourth Proportional to 853,858.49, 1,280,599.07 and 246,514.84
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Solution
The fourth proportional to 853,858.49, 1,280,599.07 and 246,514.84 is: 369,717.79
Step by Step Solution
- Step 1: Write the proportion equation
853,858.49 : 1,280,599.07 = 246,514.84 : x - Step 2: Convert to fraction form
853,858.49/1,280,599.07 = 246,514.84/x - Step 3: Cross multiply
853,858.49x = 1,280,599.07 × 246,514.84 - Step 4: Simplify right side
853,858.49x = 315,686,670,411.13 - Step 5: Solve for x
x = 315,686,670,411.13/853,858.49 - Step 6: Final answer
x = 369,717.79
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1.5x scale
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.