Finding the Fourth Proportional to 720,997.68, 1,081,558.23 and 188,517.84
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Solution
The fourth proportional to 720,997.68, 1,081,558.23 and 188,517.84 is: 282,792.90
Step by Step Solution
- Step 1: Write the proportion equation
720,997.68 : 1,081,558.23 = 188,517.84 : x - Step 2: Convert to fraction form
720,997.68/1,081,558.23 = 188,517.84/x - Step 3: Cross multiply
720,997.68x = 1,081,558.23 × 188,517.84 - Step 4: Simplify right side
720,997.68x = 203,893,021,353.82 - Step 5: Solve for x
x = 203,893,021,353.82/720,997.68 - Step 6: Final answer
x = 282,792.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.