Finding the Fourth Proportional to 741,021.49, 1,022,596.36 and 418,724.67
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Solution
The fourth proportional to 741,021.49, 1,022,596.36 and 418,724.67 is: 577,832.53
Step by Step Solution
- Step 1: Write the proportion equation
741,021.49 : 1,022,596.36 = 418,724.67 : x - Step 2: Convert to fraction form
741,021.49/1,022,596.36 = 418,724.67/x - Step 3: Cross multiply
741,021.49x = 1,022,596.36 × 418,724.67 - Step 4: Simplify right side
741,021.49x = 428,186,324,603.89 - Step 5: Solve for x
x = 428,186,324,603.89/741,021.49 - Step 6: Final answer
x = 577,832.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.