Finding the Fourth Proportional to 994,808.08, 1,372,836.92 and 542,099.08
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Solution
The fourth proportional to 994,808.08, 1,372,836.92 and 542,099.08 is: 748,097.69
Step by Step Solution
- Step 1: Write the proportion equation
994,808.08 : 1,372,836.92 = 542,099.08 : x - Step 2: Convert to fraction form
994,808.08/1,372,836.92 = 542,099.08/x - Step 3: Cross multiply
994,808.08x = 1,372,836.92 × 542,099.08 - Step 4: Simplify right side
994,808.08x = 744,213,631,322.03 - Step 5: Solve for x
x = 744,213,631,322.03/994,808.08 - Step 6: Final answer
x = 748,097.69
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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.