Finding the Fourth Proportional to 741,943.09, 1,112,166.96 and 292,489.99
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Solution
The fourth proportional to 741,943.09, 1,112,166.96 and 292,489.99 is: 438,440.23
Step by Step Solution
- Step 1: Write the proportion equation
741,943.09 : 1,112,166.96 = 292,489.99 : x - Step 2: Convert to fraction form
741,943.09/1,112,166.96 = 292,489.99/x - Step 3: Cross multiply
741,943.09x = 1,112,166.96 × 292,489.99 - Step 4: Simplify right side
741,943.09x = 325,297,699,131.48 - Step 5: Solve for x
x = 325,297,699,131.48/741,943.09 - Step 6: Final answer
x = 438,440.23
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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.