Finding the Fourth Proportional to 663,311.08, 994,869.42 and 326,261.26
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Solution
The fourth proportional to 663,311.08, 994,869.42 and 326,261.26 is: 489,344.08
Step by Step Solution
- Step 1: Write the proportion equation
663,311.08 : 994,869.42 = 326,261.26 : x - Step 2: Convert to fraction form
663,311.08/994,869.42 = 326,261.26/x - Step 3: Cross multiply
663,311.08x = 994,869.42 × 326,261.26 - Step 4: Simplify right side
663,311.08x = 324,587,350,504.67 - Step 5: Solve for x
x = 324,587,350,504.67/663,311.08 - Step 6: Final answer
x = 489,344.08
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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.