Finding the Fourth Proportional to 727,745.70, 1,091,618.55 and 550,598.70
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Solution
The fourth proportional to 727,745.70, 1,091,618.55 and 550,598.70 is: 825,898.05
Step by Step Solution
- Step 1: Write the proportion equation
727,745.70 : 1,091,618.55 = 550,598.70 : x - Step 2: Convert to fraction form
727,745.70/1,091,618.55 = 550,598.70/x - Step 3: Cross multiply
727,745.70x = 1,091,618.55 × 550,598.70 - Step 4: Simplify right side
727,745.70x = 601,043,754,525.89 - Step 5: Solve for x
x = 601,043,754,525.89/727,745.70 - Step 6: Final answer
x = 825,898.05
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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.