Finding the Fourth Proportional to 852,651.36, 1,279,045.08 and 497,701.26
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Solution
The fourth proportional to 852,651.36, 1,279,045.08 and 497,701.26 is: 746,591.61
Step by Step Solution
- Step 1: Write the proportion equation
852,651.36 : 1,279,045.08 = 497,701.26 : x - Step 2: Convert to fraction form
852,651.36/1,279,045.08 = 497,701.26/x - Step 3: Cross multiply
852,651.36x = 1,279,045.08 × 497,701.26 - Step 4: Simplify right side
852,651.36x = 636,582,347,912.80 - Step 5: Solve for x
x = 636,582,347,912.80/852,651.36 - Step 6: Final answer
x = 746,591.61
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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.