Finding the Fourth Proportional to 770,394.26, 1,154,965.05 and 321,449.54
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Solution
The fourth proportional to 770,394.26, 1,154,965.05 and 321,449.54 is: 481,912.96
Step by Step Solution
- Step 1: Write the proportion equation
770,394.26 : 1,154,965.05 = 321,449.54 : x - Step 2: Convert to fraction form
770,394.26/1,154,965.05 = 321,449.54/x - Step 3: Cross multiply
770,394.26x = 1,154,965.05 × 321,449.54 - Step 4: Simplify right side
770,394.26x = 371,262,978,263.75 - Step 5: Solve for x
x = 371,262,978,263.75/770,394.26 - Step 6: Final answer
x = 481,912.96
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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.