Finding the Fourth Proportional to 729,523.80, 1,006,716.60 and 457,738.02
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Solution
The fourth proportional to 729,523.80, 1,006,716.60 and 457,738.02 is: 631,662.00
Step by Step Solution
- Step 1: Write the proportion equation
729,523.80 : 1,006,716.60 = 457,738.02 : x - Step 2: Convert to fraction form
729,523.80/1,006,716.60 = 457,738.02/x - Step 3: Cross multiply
729,523.80x = 1,006,716.60 × 457,738.02 - Step 4: Simplify right side
729,523.80x = 460,812,463,185.13 - Step 5: Solve for x
x = 460,812,463,185.13/729,523.80 - Step 6: Final answer
x = 631,662.00
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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.