Finding the Fourth Proportional to 627,514.94, 865,937.39 and 355,586.09
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Solution
The fourth proportional to 627,514.94, 865,937.39 and 355,586.09 is: 490,689.97
Step by Step Solution
- Step 1: Write the proportion equation
627,514.94 : 865,937.39 = 355,586.09 : x - Step 2: Convert to fraction form
627,514.94/865,937.39 = 355,586.09/x - Step 3: Cross multiply
627,514.94x = 865,937.39 × 355,586.09 - Step 4: Simplify right side
627,514.94x = 307,915,284,587.29 - Step 5: Solve for x
x = 307,915,284,587.29/627,514.94 - Step 6: Final answer
x = 490,689.97
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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.