Finding the Fourth Proportional to 798,138.36, 1,197,426.24 and 398,296.44
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Solution
The fourth proportional to 798,138.36, 1,197,426.24 and 398,296.44 is: 597,553.80
Step by Step Solution
- Step 1: Write the proportion equation
798,138.36 : 1,197,426.24 = 398,296.44 : x - Step 2: Convert to fraction form
798,138.36/1,197,426.24 = 398,296.44/x - Step 3: Cross multiply
798,138.36x = 1,197,426.24 × 398,296.44 - Step 4: Simplify right side
798,138.36x = 476,930,608,554.59 - Step 5: Solve for x
x = 476,930,608,554.59/798,138.36 - Step 6: Final answer
x = 597,553.80
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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.