Finding the Fourth Proportional to 823,121.68, 1,135,854.48 and 460,482.88
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Solution
The fourth proportional to 823,121.68, 1,135,854.48 and 460,482.88 is: 635,436.48
Step by Step Solution
- Step 1: Write the proportion equation
823,121.68 : 1,135,854.48 = 460,482.88 : x - Step 2: Convert to fraction form
823,121.68/1,135,854.48 = 460,482.88/x - Step 3: Cross multiply
823,121.68x = 1,135,854.48 × 460,482.88 - Step 4: Simplify right side
823,121.68x = 523,041,542,211.30 - Step 5: Solve for x
x = 523,041,542,211.30/823,121.68 - Step 6: Final answer
x = 635,436.48
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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.