Finding the Fourth Proportional to 731,661.18, 1,102,975.68 and 682,891.08
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Solution
The fourth proportional to 731,661.18, 1,102,975.68 and 682,891.08 is: 1,029,454.99
Step by Step Solution
- Step 1: Write the proportion equation
731,661.18 : 1,102,975.68 = 682,891.08 : x - Step 2: Convert to fraction form
731,661.18/1,102,975.68 = 682,891.08/x - Step 3: Cross multiply
731,661.18x = 1,102,975.68 × 682,891.08 - Step 4: Simplify right side
731,661.18x = 753,212,253,328.93 - Step 5: Solve for x
x = 753,212,253,328.93/731,661.18 - Step 6: Final answer
x = 1,029,454.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.