Finding the Fourth Proportional to 939,568.99, 1,296,608.71 and 509,849.09
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Solution
The fourth proportional to 939,568.99, 1,296,608.71 and 509,849.09 is: 703,593.65
Step by Step Solution
- Step 1: Write the proportion equation
939,568.99 : 1,296,608.71 = 509,849.09 : x - Step 2: Convert to fraction form
939,568.99/1,296,608.71 = 509,849.09/x - Step 3: Cross multiply
939,568.99x = 1,296,608.71 × 509,849.09 - Step 4: Simplify right side
939,568.99x = 661,074,770,879.57 - Step 5: Solve for x
x = 661,074,770,879.57/939,568.99 - Step 6: Final answer
x = 703,593.65
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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.