Finding the Fourth Proportional to 957,628.44, 1,436,770.71 and 326,985.12
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Solution
The fourth proportional to 957,628.44, 1,436,770.71 and 326,985.12 is: 490,589.69
Step by Step Solution
- Step 1: Write the proportion equation
957,628.44 : 1,436,770.71 = 326,985.12 : x - Step 2: Convert to fraction form
957,628.44/1,436,770.71 = 326,985.12/x - Step 3: Cross multiply
957,628.44x = 1,436,770.71 × 326,985.12 - Step 4: Simplify right side
957,628.44x = 469,802,643,021.84 - Step 5: Solve for x
x = 469,802,643,021.84/957,628.44 - Step 6: Final answer
x = 490,589.69
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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.