Finding the Fourth Proportional to 941,794.24, 1,299,640.22 and 512,074.72
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Solution
The fourth proportional to 941,794.24, 1,299,640.22 and 512,074.72 is: 706,643.63
Step by Step Solution
- Step 1: Write the proportion equation
941,794.24 : 1,299,640.22 = 512,074.72 : x - Step 2: Convert to fraction form
941,794.24/1,299,640.22 = 512,074.72/x - Step 3: Cross multiply
941,794.24x = 1,299,640.22 × 512,074.72 - Step 4: Simplify right side
941,794.24x = 665,512,901,757.24 - Step 5: Solve for x
x = 665,512,901,757.24/941,794.24 - Step 6: Final answer
x = 706,643.63
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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.