Finding the Fourth Proportional to 727,568.70, 1,091,353.05 and 550,421.70
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Solution
The fourth proportional to 727,568.70, 1,091,353.05 and 550,421.70 is: 825,632.55
Step by Step Solution
- Step 1: Write the proportion equation
727,568.70 : 1,091,353.05 = 550,421.70 : x - Step 2: Convert to fraction form
727,568.70/1,091,353.05 = 550,421.70/x - Step 3: Cross multiply
727,568.70x = 1,091,353.05 × 550,421.70 - Step 4: Simplify right side
727,568.70x = 600,704,401,081.19 - Step 5: Solve for x
x = 600,704,401,081.19/727,568.70 - Step 6: Final answer
x = 825,632.55
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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.