Finding the Fourth Proportional to 715,218.36, 1,072,882.48 and 202,874.72
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Solution
The fourth proportional to 715,218.36, 1,072,882.48 and 202,874.72 is: 304,327.66
Step by Step Solution
- Step 1: Write the proportion equation
715,218.36 : 1,072,882.48 = 202,874.72 : x - Step 2: Convert to fraction form
715,218.36/1,072,882.48 = 202,874.72/x - Step 3: Cross multiply
715,218.36x = 1,072,882.48 × 202,874.72 - Step 4: Simplify right side
715,218.36x = 217,660,732,722.91 - Step 5: Solve for x
x = 217,660,732,722.91/715,218.36 - Step 6: Final answer
x = 304,327.66
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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.