Finding the Fourth Proportional to 680,704.26, 1,021,208.67 and 207,426.66
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Solution
The fourth proportional to 680,704.26, 1,021,208.67 and 207,426.66 is: 311,186.39
Step by Step Solution
- Step 1: Write the proportion equation
680,704.26 : 1,021,208.67 = 207,426.66 : x - Step 2: Convert to fraction form
680,704.26/1,021,208.67 = 207,426.66/x - Step 3: Cross multiply
680,704.26x = 1,021,208.67 × 207,426.66 - Step 4: Simplify right side
680,704.26x = 211,825,903,581.14 - Step 5: Solve for x
x = 211,825,903,581.14/680,704.26 - Step 6: Final answer
x = 311,186.39
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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.