Finding the Fourth Proportional to 560,808.18, 773,893.44 and 306,161.46
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Solution
The fourth proportional to 560,808.18, 773,893.44 and 306,161.46 is: 422,490.89
Step by Step Solution
- Step 1: Write the proportion equation
560,808.18 : 773,893.44 = 306,161.46 : x - Step 2: Convert to fraction form
560,808.18/773,893.44 = 306,161.46/x - Step 3: Cross multiply
560,808.18x = 773,893.44 × 306,161.46 - Step 4: Simplify right side
560,808.18x = 236,936,345,474.82 - Step 5: Solve for x
x = 236,936,345,474.82/560,808.18 - Step 6: Final answer
x = 422,490.89
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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.