Finding the Fourth Proportional to 874,332.32, 1,207,136.64 and 713,571.44
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Solution
The fourth proportional to 874,332.32, 1,207,136.64 and 713,571.44 is: 985,184.02
Step by Step Solution
- Step 1: Write the proportion equation
874,332.32 : 1,207,136.64 = 713,571.44 : x - Step 2: Convert to fraction form
874,332.32/1,207,136.64 = 713,571.44/x - Step 3: Cross multiply
874,332.32x = 1,207,136.64 × 713,571.44 - Step 4: Simplify right side
874,332.32x = 861,378,230,481.56 - Step 5: Solve for x
x = 861,378,230,481.56/874,332.32 - Step 6: Final answer
x = 985,184.02
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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.