Finding the Fourth Proportional to 658,575.42, 908,876.07 and 403,891.98
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Solution
The fourth proportional to 658,575.42, 908,876.07 and 403,891.98 is: 557,396.68
Step by Step Solution
- Step 1: Write the proportion equation
658,575.42 : 908,876.07 = 403,891.98 : x - Step 2: Convert to fraction form
658,575.42/908,876.07 = 403,891.98/x - Step 3: Cross multiply
658,575.42x = 908,876.07 × 403,891.98 - Step 4: Simplify right side
658,575.42x = 367,087,755,486.92 - Step 5: Solve for x
x = 367,087,755,486.92/658,575.42 - Step 6: Final answer
x = 557,396.68
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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.