Finding the Fourth Proportional to 807,863.40, 1,211,424.12 and 275,167.68
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Solution
The fourth proportional to 807,863.40, 1,211,424.12 and 275,167.68 is: 412,625.16
Step by Step Solution
- Step 1: Write the proportion equation
807,863.40 : 1,211,424.12 = 275,167.68 : x - Step 2: Convert to fraction form
807,863.40/1,211,424.12 = 275,167.68/x - Step 3: Cross multiply
807,863.40x = 1,211,424.12 × 275,167.68 - Step 4: Simplify right side
807,863.40x = 333,344,764,596.44 - Step 5: Solve for x
x = 333,344,764,596.44/807,863.40 - Step 6: Final answer
x = 412,625.16
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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.