Finding the Fourth Proportional to 625,770.21, 863,581.11 and 353,832.18
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Solution
The fourth proportional to 625,770.21, 863,581.11 and 353,832.18 is: 488,298.71
Step by Step Solution
- Step 1: Write the proportion equation
625,770.21 : 863,581.11 = 353,832.18 : x - Step 2: Convert to fraction form
625,770.21/863,581.11 = 353,832.18/x - Step 3: Cross multiply
625,770.21x = 863,581.11 × 353,832.18 - Step 4: Simplify right side
625,770.21x = 305,562,786,758.12 - Step 5: Solve for x
x = 305,562,786,758.12/625,770.21 - Step 6: Final answer
x = 488,298.71
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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.