Finding the Fourth Proportional to 770,453.12, 1,154,629.92 and 371,064.80
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Solution
The fourth proportional to 770,453.12, 1,154,629.92 and 371,064.80 is: 556,091.62
Step by Step Solution
- Step 1: Write the proportion equation
770,453.12 : 1,154,629.92 = 371,064.80 : x - Step 2: Convert to fraction form
770,453.12/1,154,629.92 = 371,064.80/x - Step 3: Cross multiply
770,453.12x = 1,154,629.92 × 371,064.80 - Step 4: Simplify right side
770,453.12x = 428,442,520,338.82 - Step 5: Solve for x
x = 428,442,520,338.82/770,453.12 - Step 6: Final answer
x = 556,091.62
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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.