Finding the Fourth Proportional to 823,042.08, 1,135,975.69 and 500,855.97
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Solution
The fourth proportional to 823,042.08, 1,135,975.69 and 500,855.97 is: 691,289.33
Step by Step Solution
- Step 1: Write the proportion equation
823,042.08 : 1,135,975.69 = 500,855.97 : x - Step 2: Convert to fraction form
823,042.08/1,135,975.69 = 500,855.97/x - Step 3: Cross multiply
823,042.08x = 1,135,975.69 × 500,855.97 - Step 4: Simplify right side
823,042.08x = 568,960,210,997.35 - Step 5: Solve for x
x = 568,960,210,997.35/823,042.08 - Step 6: Final answer
x = 691,289.33
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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.