Finding the Fourth Proportional to 531,207.11, 733,063.37 and 289,489.62
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Solution
The fourth proportional to 531,207.11, 733,063.37 and 289,489.62 is: 399,494.35
Step by Step Solution
- Step 1: Write the proportion equation
531,207.11 : 733,063.37 = 289,489.62 : x - Step 2: Convert to fraction form
531,207.11/733,063.37 = 289,489.62/x - Step 3: Cross multiply
531,207.11x = 733,063.37 × 289,489.62 - Step 4: Simplify right side
531,207.11x = 212,214,234,969.77 - Step 5: Solve for x
x = 212,214,234,969.77/531,207.11 - Step 6: Final answer
x = 399,494.35
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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.