Finding the Fourth Proportional to 770,561.49, 1,063,487.67 and 443,811.70
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Solution
The fourth proportional to 770,561.49, 1,063,487.67 and 443,811.70 is: 612,525.12
Step by Step Solution
- Step 1: Write the proportion equation
770,561.49 : 1,063,487.67 = 443,811.70 : x - Step 2: Convert to fraction form
770,561.49/1,063,487.67 = 443,811.70/x - Step 3: Cross multiply
770,561.49x = 1,063,487.67 × 443,811.70 - Step 4: Simplify right side
770,561.49x = 471,988,268,093.02 - Step 5: Solve for x
x = 471,988,268,093.02/770,561.49 - Step 6: Final answer
x = 612,525.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.