Finding the Fourth Proportional to 667,795.80, 921,553.02 and 365,989.08
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Solution
The fourth proportional to 667,795.80, 921,553.02 and 365,989.08 is: 505,062.09
Step by Step Solution
- Step 1: Write the proportion equation
667,795.80 : 921,553.02 = 365,989.08 : x - Step 2: Convert to fraction form
667,795.80/921,553.02 = 365,989.08/x - Step 3: Cross multiply
667,795.80x = 921,553.02 × 365,989.08 - Step 4: Simplify right side
667,795.80x = 337,278,341,961.02 - Step 5: Solve for x
x = 337,278,341,961.02/667,795.80 - Step 6: Final answer
x = 505,062.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.