Finding the Fourth Proportional to 531,202.70, 733,049.88 and 289,486.94
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Solution
The fourth proportional to 531,202.70, 733,049.88 and 289,486.94 is: 399,486.61
Step by Step Solution
- Step 1: Write the proportion equation
531,202.70 : 733,049.88 = 289,486.94 : x - Step 2: Convert to fraction form
531,202.70/733,049.88 = 289,486.94/x - Step 3: Cross multiply
531,202.70x = 733,049.88 × 289,486.94 - Step 4: Simplify right side
531,202.70x = 212,208,366,628.57 - Step 5: Solve for x
x = 212,208,366,628.57/531,202.70 - Step 6: Final answer
x = 399,486.61
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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.