Finding the Fourth Proportional to 683,679.36, 1,025,819.74 and 363,756
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Solution
The fourth proportional to 683,679.36, 1,025,819.74 and 363,756 is: 545,793.99
Step by Step Solution
- Step 1: Write the proportion equation
683,679.36 : 1,025,819.74 = 363,756 : x - Step 2: Convert to fraction form
683,679.36/1,025,819.74 = 363,756/x - Step 3: Cross multiply
683,679.36x = 1,025,819.74 × 363,756 - Step 4: Simplify right side
683,679.36x = 373,148,085,343.44 - Step 5: Solve for x
x = 373,148,085,343.44/683,679.36 - Step 6: Final answer
x = 545,793.99
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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.