Finding the Fourth Proportional to 726,832.36, 1,090,471.90 and 372,095.49
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Solution
The fourth proportional to 726,832.36, 1,090,471.90 and 372,095.49 is: 558,257.58
Step by Step Solution
- Step 1: Write the proportion equation
726,832.36 : 1,090,471.90 = 372,095.49 : x - Step 2: Convert to fraction form
726,832.36/1,090,471.90 = 372,095.49/x - Step 3: Cross multiply
726,832.36x = 1,090,471.90 × 372,095.49 - Step 4: Simplify right side
726,832.36x = 405,759,675,961.73 - Step 5: Solve for x
x = 405,759,675,961.73/726,832.36 - Step 6: Final answer
x = 558,257.58
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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.