Finding the Fourth Proportional to 658,456.17, 908,669.19 and 386,524.07
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Solution
The fourth proportional to 658,456.17, 908,669.19 and 386,524.07 is: 533,403.02
Step by Step Solution
- Step 1: Write the proportion equation
658,456.17 : 908,669.19 = 386,524.07 : x - Step 2: Convert to fraction form
658,456.17/908,669.19 = 386,524.07/x - Step 3: Cross multiply
658,456.17x = 908,669.19 × 386,524.07 - Step 4: Simplify right side
658,456.17x = 351,222,511,791.88 - Step 5: Solve for x
x = 351,222,511,791.88/658,456.17 - Step 6: Final answer
x = 533,403.02
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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.