Finding the Fourth Proportional to 798,745.68, 1,102,260.42 and 436,168.44
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Solution
The fourth proportional to 798,745.68, 1,102,260.42 and 436,168.44 is: 601,907.74
Step by Step Solution
- Step 1: Write the proportion equation
798,745.68 : 1,102,260.42 = 436,168.44 : x - Step 2: Convert to fraction form
798,745.68/1,102,260.42 = 436,168.44/x - Step 3: Cross multiply
798,745.68x = 1,102,260.42 × 436,168.44 - Step 4: Simplify right side
798,745.68x = 480,771,207,865.15 - Step 5: Solve for x
x = 480,771,207,865.15/798,745.68 - Step 6: Final answer
x = 601,907.74
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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.