Finding the Fourth Proportional to 663,446.08, 994,459.74 and 378,522.82
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Solution
The fourth proportional to 663,446.08, 994,459.74 and 378,522.82 is: 567,379.50
Step by Step Solution
- Step 1: Write the proportion equation
663,446.08 : 994,459.74 = 378,522.82 : x - Step 2: Convert to fraction form
663,446.08/994,459.74 = 378,522.82/x - Step 3: Cross multiply
663,446.08x = 994,459.74 × 378,522.82 - Step 4: Simplify right side
663,446.08x = 376,425,705,161.27 - Step 5: Solve for x
x = 376,425,705,161.27/663,446.08 - Step 6: Final answer
x = 567,379.50
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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.