Finding the Fourth Proportional to 938,608.88, 1,395,839.09 and 908,715.02
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Solution
The fourth proportional to 938,608.88, 1,395,839.09 and 908,715.02 is: 1,351,382.85
Step by Step Solution
- Step 1: Write the proportion equation
938,608.88 : 1,395,839.09 = 908,715.02 : x - Step 2: Convert to fraction form
938,608.88/1,395,839.09 = 908,715.02/x - Step 3: Cross multiply
938,608.88x = 1,395,839.09 × 908,715.02 - Step 4: Simplify right side
938,608.88x = 1,268,419,946,586.13 - Step 5: Solve for x
x = 1,268,419,946,586.13/938,608.88 - Step 6: Final answer
x = 1,351,382.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.