Finding the Fourth Proportional to 852,997.26, 1,279,471.14 and 347,433.23
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Solution
The fourth proportional to 852,997.26, 1,279,471.14 and 347,433.23 is: 521,139.77
Step by Step Solution
- Step 1: Write the proportion equation
852,997.26 : 1,279,471.14 = 347,433.23 : x - Step 2: Convert to fraction form
852,997.26/1,279,471.14 = 347,433.23/x - Step 3: Cross multiply
852,997.26x = 1,279,471.14 × 347,433.23 - Step 4: Simplify right side
852,997.26x = 444,530,794,060.66 - Step 5: Solve for x
x = 444,530,794,060.66/852,997.26 - Step 6: Final answer
x = 521,139.77
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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.