Finding the Fourth Proportional to 690,876.60, 1,036,625.93 and 374,859.96
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Solution
The fourth proportional to 690,876.60, 1,036,625.93 and 374,859.96 is: 562,458.70
Step by Step Solution
- Step 1: Write the proportion equation
690,876.60 : 1,036,625.93 = 374,859.96 : x - Step 2: Convert to fraction form
690,876.60/1,036,625.93 = 374,859.96/x - Step 3: Cross multiply
690,876.60x = 1,036,625.93 × 374,859.96 - Step 4: Simplify right side
690,876.60x = 388,589,554,654.76 - Step 5: Solve for x
x = 388,589,554,654.76/690,876.60 - Step 6: Final answer
x = 562,458.70
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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.