Finding the Fourth Proportional to 798,144.36, 1,197,435.24 and 398,302.44
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Solution
The fourth proportional to 798,144.36, 1,197,435.24 and 398,302.44 is: 597,562.80
Step by Step Solution
- Step 1: Write the proportion equation
798,144.36 : 1,197,435.24 = 398,302.44 : x - Step 2: Convert to fraction form
798,144.36/1,197,435.24 = 398,302.44/x - Step 3: Cross multiply
798,144.36x = 1,197,435.24 × 398,302.44 - Step 4: Simplify right side
798,144.36x = 476,941,377,833.99 - Step 5: Solve for x
x = 476,941,377,833.99/798,144.36 - Step 6: Final answer
x = 597,562.80
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1.5x scale
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.