Finding the Fourth Proportional to 672,279.84, 927,734.28 and 366,358.96
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Solution
The fourth proportional to 672,279.84, 927,734.28 and 366,358.96 is: 505,568.88
Step by Step Solution
- Step 1: Write the proportion equation
672,279.84 : 927,734.28 = 366,358.96 : x - Step 2: Convert to fraction form
672,279.84/927,734.28 = 366,358.96/x - Step 3: Cross multiply
672,279.84x = 927,734.28 × 366,358.96 - Step 4: Simplify right side
672,279.84x = 339,883,765,977.15 - Step 5: Solve for x
x = 339,883,765,977.15/672,279.84 - Step 6: Final answer
x = 505,568.88
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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.