Finding the Fourth Proportional to 704,697.22, 1,057,207.29 and 305,405.02
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Solution
The fourth proportional to 704,697.22, 1,057,207.29 and 305,405.02 is: 458,177.50
Step by Step Solution
- Step 1: Write the proportion equation
704,697.22 : 1,057,207.29 = 305,405.02 : x - Step 2: Convert to fraction form
704,697.22/1,057,207.29 = 305,405.02/x - Step 3: Cross multiply
704,697.22x = 1,057,207.29 × 305,405.02 - Step 4: Simplify right side
704,697.22x = 322,876,413,546.60 - Step 5: Solve for x
x = 322,876,413,546.60/704,697.22 - Step 6: Final answer
x = 458,177.50
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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.