Finding the Fourth Proportional to 669,165.24, 923,386.38 and 397,186.68
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Solution
The fourth proportional to 669,165.24, 923,386.38 and 397,186.68 is: 548,081.02
Step by Step Solution
- Step 1: Write the proportion equation
669,165.24 : 923,386.38 = 397,186.68 : x - Step 2: Convert to fraction form
669,165.24/923,386.38 = 397,186.68/x - Step 3: Cross multiply
669,165.24x = 923,386.38 × 397,186.68 - Step 4: Simplify right side
669,165.24x = 366,756,770,629.42 - Step 5: Solve for x
x = 366,756,770,629.42/669,165.24 - Step 6: Final answer
x = 548,081.02
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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.