Finding the Fourth Proportional to 807,737.70, 1,212,590.70 and 408,172.80
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Solution
The fourth proportional to 807,737.70, 1,212,590.70 and 408,172.80 is: 612,756.52
Step by Step Solution
- Step 1: Write the proportion equation
807,737.70 : 1,212,590.70 = 408,172.80 : x - Step 2: Convert to fraction form
807,737.70/1,212,590.70 = 408,172.80/x - Step 3: Cross multiply
807,737.70x = 1,212,590.70 × 408,172.80 - Step 4: Simplify right side
807,737.70x = 494,946,541,272.96 - Step 5: Solve for x
x = 494,946,541,272.96/807,737.70 - Step 6: Final answer
x = 612,756.52
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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.