Finding the Fourth Proportional to 665,338.35, 996,859.35 and 309,622.80
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Solution
The fourth proportional to 665,338.35, 996,859.35 and 309,622.80 is: 463,899.88
Step by Step Solution
- Step 1: Write the proportion equation
665,338.35 : 996,859.35 = 309,622.80 : x - Step 2: Convert to fraction form
665,338.35/996,859.35 = 309,622.80/x - Step 3: Cross multiply
665,338.35x = 996,859.35 × 309,622.80 - Step 4: Simplify right side
665,338.35x = 308,650,383,153.18 - Step 5: Solve for x
x = 308,650,383,153.18/665,338.35 - Step 6: Final answer
x = 463,899.88
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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.