Finding the Fourth Proportional to 816,092.20, 1,224,138.30 and 727,445.80
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Solution
The fourth proportional to 816,092.20, 1,224,138.30 and 727,445.80 is: 1,091,168.70
Step by Step Solution
- Step 1: Write the proportion equation
816,092.20 : 1,224,138.30 = 727,445.80 : x - Step 2: Convert to fraction form
816,092.20/1,224,138.30 = 727,445.80/x - Step 3: Cross multiply
816,092.20x = 1,224,138.30 × 727,445.80 - Step 4: Simplify right side
816,092.20x = 890,494,264,954.14 - Step 5: Solve for x
x = 890,494,264,954.14/816,092.20 - Step 6: Final answer
x = 1,091,168.70
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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.