Finding the Fourth Proportional to 756,971.94, 1,135,433.18 and 307,559.90
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Solution
The fourth proportional to 756,971.94, 1,135,433.18 and 307,559.90 is: 461,329.80
Step by Step Solution
- Step 1: Write the proportion equation
756,971.94 : 1,135,433.18 = 307,559.90 : x - Step 2: Convert to fraction form
756,971.94/1,135,433.18 = 307,559.90/x - Step 3: Cross multiply
756,971.94x = 1,135,433.18 × 307,559.90 - Step 4: Simplify right side
756,971.94x = 349,213,715,297.48 - Step 5: Solve for x
x = 349,213,715,297.48/756,971.94 - Step 6: Final answer
x = 461,329.80
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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.