Finding the Fourth Proportional to 727,770.70, 1,091,656.05 and 550,623.70
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Solution
The fourth proportional to 727,770.70, 1,091,656.05 and 550,623.70 is: 825,935.55
Step by Step Solution
- Step 1: Write the proportion equation
727,770.70 : 1,091,656.05 = 550,623.70 : x - Step 2: Convert to fraction form
727,770.70/1,091,656.05 = 550,623.70/x - Step 3: Cross multiply
727,770.70x = 1,091,656.05 × 550,623.70 - Step 4: Simplify right side
727,770.70x = 601,091,693,378.39 - Step 5: Solve for x
x = 601,091,693,378.39/727,770.70 - Step 6: Final answer
x = 825,935.55
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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.