Finding the Fourth Proportional to 816,816.68, 1,224,425.02 and 457,163.16
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Solution
The fourth proportional to 816,816.68, 1,224,425.02 and 457,163.16 is: 685,296.99
Step by Step Solution
- Step 1: Write the proportion equation
816,816.68 : 1,224,425.02 = 457,163.16 : x - Step 2: Convert to fraction form
816,816.68/1,224,425.02 = 457,163.16/x - Step 3: Cross multiply
816,816.68x = 1,224,425.02 × 457,163.16 - Step 4: Simplify right side
816,816.68x = 559,762,011,326.26 - Step 5: Solve for x
x = 559,762,011,326.26/816,816.68 - Step 6: Final answer
x = 685,296.99
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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.