Finding the Fourth Proportional to 804,939.84, 1,207,963.37 and 331,625.19
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Solution
The fourth proportional to 804,939.84, 1,207,963.37 and 331,625.19 is: 497,665.86
Step by Step Solution
- Step 1: Write the proportion equation
804,939.84 : 1,207,963.37 = 331,625.19 : x - Step 2: Convert to fraction form
804,939.84/1,207,963.37 = 331,625.19/x - Step 3: Cross multiply
804,939.84x = 1,207,963.37 × 331,625.19 - Step 4: Simplify right side
804,939.84x = 400,591,080,431.16 - Step 5: Solve for x
x = 400,591,080,431.16/804,939.84 - Step 6: Final answer
x = 497,665.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.