Finding the Fourth Proportional to 965,808.20, 1,448,906.70 and 809,121.80
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Solution
The fourth proportional to 965,808.20, 1,448,906.70 and 809,121.80 is: 1,213,845.56
Step by Step Solution
- Step 1: Write the proportion equation
965,808.20 : 1,448,906.70 = 809,121.80 : x - Step 2: Convert to fraction form
965,808.20/1,448,906.70 = 809,121.80/x - Step 3: Cross multiply
965,808.20x = 1,448,906.70 × 809,121.80 - Step 4: Simplify right side
965,808.20x = 1,172,341,997,136.06 - Step 5: Solve for x
x = 1,172,341,997,136.06/965,808.20 - Step 6: Final answer
x = 1,213,845.56
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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.