Finding the Fourth Proportional to 811,812.57, 1,212,740.92 and 585,239.37
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Solution
The fourth proportional to 811,812.57, 1,212,740.92 and 585,239.37 is: 874,270.44
Step by Step Solution
- Step 1: Write the proportion equation
811,812.57 : 1,212,740.92 = 585,239.37 : x - Step 2: Convert to fraction form
811,812.57/1,212,740.92 = 585,239.37/x - Step 3: Cross multiply
811,812.57x = 1,212,740.92 × 585,239.37 - Step 4: Simplify right side
811,812.57x = 709,743,730,530.92 - Step 5: Solve for x
x = 709,743,730,530.92/811,812.57 - Step 6: Final answer
x = 874,270.44
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.