Finding the Fourth Proportional to 465,755.79, 698,456.37 and 305,788.94
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Solution
The fourth proportional to 465,755.79, 698,456.37 and 305,788.94 is: 458,566.99
Step by Step Solution
- Step 1: Write the proportion equation
465,755.79 : 698,456.37 = 305,788.94 : x - Step 2: Convert to fraction form
465,755.79/698,456.37 = 305,788.94/x - Step 3: Cross multiply
465,755.79x = 698,456.37 × 305,788.94 - Step 4: Simplify right side
465,755.79x = 213,580,233,018.55 - Step 5: Solve for x
x = 213,580,233,018.55/465,755.79 - Step 6: Final answer
x = 458,566.99
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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.