Finding the Fourth Proportional to 672,738.24, 927,414.12 and 529,249.08
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Solution
The fourth proportional to 672,738.24, 927,414.12 and 529,249.08 is: 729,604.83
Step by Step Solution
- Step 1: Write the proportion equation
672,738.24 : 927,414.12 = 529,249.08 : x - Step 2: Convert to fraction form
672,738.24/927,414.12 = 529,249.08/x - Step 3: Cross multiply
672,738.24x = 927,414.12 × 529,249.08 - Step 4: Simplify right side
672,738.24x = 490,833,069,789.01 - Step 5: Solve for x
x = 490,833,069,789.01/672,738.24 - Step 6: Final answer
x = 729,604.83
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1.5x scale
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.