Finding the Fourth Proportional to 798,378.22, 1,102,157.40 and 508,278.19
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Solution
The fourth proportional to 798,378.22, 1,102,157.40 and 508,278.19 is: 701,675.66
Step by Step Solution
- Step 1: Write the proportion equation
798,378.22 : 1,102,157.40 = 508,278.19 : x - Step 2: Convert to fraction form
798,378.22/1,102,157.40 = 508,278.19/x - Step 3: Cross multiply
798,378.22x = 1,102,157.40 × 508,278.19 - Step 4: Simplify right side
798,378.22x = 560,202,568,367.11 - Step 5: Solve for x
x = 560,202,568,367.11/798,378.22 - Step 6: Final answer
x = 701,675.66
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1.5x scale
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.