Finding the Fourth Proportional to 548,052.80, 820,912.80 and 454,740.80
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Solution
The fourth proportional to 548,052.80, 820,912.80 and 454,740.80 is: 681,143.39
Step by Step Solution
- Step 1: Write the proportion equation
548,052.80 : 820,912.80 = 454,740.80 : x - Step 2: Convert to fraction form
548,052.80/820,912.80 = 454,740.80/x - Step 3: Cross multiply
548,052.80x = 820,912.80 × 454,740.80 - Step 4: Simplify right side
548,052.80x = 373,302,543,402.24 - Step 5: Solve for x
x = 373,302,543,402.24/548,052.80 - Step 6: Final answer
x = 681,143.39
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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.