Finding the Fourth Proportional to 673,072.28, 930,049.34 and 511,647.08
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Solution
The fourth proportional to 673,072.28, 930,049.34 and 511,647.08 is: 706,992.46
Step by Step Solution
- Step 1: Write the proportion equation
673,072.28 : 930,049.34 = 511,647.08 : x - Step 2: Convert to fraction form
673,072.28/930,049.34 = 511,647.08/x - Step 3: Cross multiply
673,072.28x = 930,049.34 × 511,647.08 - Step 4: Simplify right side
673,072.28x = 475,857,029,967.99 - Step 5: Solve for x
x = 475,857,029,967.99/673,072.28 - Step 6: Final answer
x = 706,992.46
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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.