Finding the Fourth Proportional to 770,244.12, 1,062,578.79 and 498,399.48
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Solution
The fourth proportional to 770,244.12, 1,062,578.79 and 498,399.48 is: 687,559.57
Step by Step Solution
- Step 1: Write the proportion equation
770,244.12 : 1,062,578.79 = 498,399.48 : x - Step 2: Convert to fraction form
770,244.12/1,062,578.79 = 498,399.48/x - Step 3: Cross multiply
770,244.12x = 1,062,578.79 × 498,399.48 - Step 4: Simplify right side
770,244.12x = 529,588,716,395.03 - Step 5: Solve for x
x = 529,588,716,395.03/770,244.12 - Step 6: Final answer
x = 687,559.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.