Finding the Fourth Proportional to 858,481.10, 1,286,004.84 and 516,736.82
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Solution
The fourth proportional to 858,481.10, 1,286,004.84 and 516,736.82 is: 774,071.85
Step by Step Solution
- Step 1: Write the proportion equation
858,481.10 : 1,286,004.84 = 516,736.82 : x - Step 2: Convert to fraction form
858,481.10/1,286,004.84 = 516,736.82/x - Step 3: Cross multiply
858,481.10x = 1,286,004.84 × 516,736.82 - Step 4: Simplify right side
858,481.10x = 664,526,051,526.21 - Step 5: Solve for x
x = 664,526,051,526.21/858,481.10 - Step 6: Final answer
x = 774,071.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.