Finding the Fourth Proportional to 754,596.07, 1,131,561.97 and 399,527.03
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Solution
The fourth proportional to 754,596.07, 1,131,561.97 and 399,527.03 is: 599,114.70
Step by Step Solution
- Step 1: Write the proportion equation
754,596.07 : 1,131,561.97 = 399,527.03 : x - Step 2: Convert to fraction form
754,596.07/1,131,561.97 = 399,527.03/x - Step 3: Cross multiply
754,596.07x = 1,131,561.97 × 399,527.03 - Step 4: Simplify right side
754,596.07x = 452,089,594,965.14 - Step 5: Solve for x
x = 452,089,594,965.14/754,596.07 - Step 6: Final answer
x = 599,114.70
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1.5x scale
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.