Finding the Fourth Proportional to 672,645.08, 928,208.22 and 370,839.08
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Solution
The fourth proportional to 672,645.08, 928,208.22 and 370,839.08 is: 511,734.78
Step by Step Solution
- Step 1: Write the proportion equation
672,645.08 : 928,208.22 = 370,839.08 : x - Step 2: Convert to fraction form
672,645.08/928,208.22 = 370,839.08/x - Step 3: Cross multiply
672,645.08x = 928,208.22 × 370,839.08 - Step 4: Simplify right side
672,645.08x = 344,215,882,353.24 - Step 5: Solve for x
x = 344,215,882,353.24/672,645.08 - Step 6: Final answer
x = 511,734.78
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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.