Finding the Fourth Proportional to 923,842.79, 1,265,643.53 and 889,302.68
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Solution
The fourth proportional to 923,842.79, 1,265,643.53 and 889,302.68 is: 1,218,324.37
Step by Step Solution
- Step 1: Write the proportion equation
923,842.79 : 1,265,643.53 = 889,302.68 : x - Step 2: Convert to fraction form
923,842.79/1,265,643.53 = 889,302.68/x - Step 3: Cross multiply
923,842.79x = 1,265,643.53 × 889,302.68 - Step 4: Simplify right side
923,842.79x = 1,125,540,183,153.66 - Step 5: Solve for x
x = 1,125,540,183,153.66/923,842.79 - Step 6: Final answer
x = 1,218,324.37
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.