Finding the Fourth Proportional to 531,486.41, 733,441.37 and 289,771.07
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Solution
The fourth proportional to 531,486.41, 733,441.37 and 289,771.07 is: 399,878.69
Step by Step Solution
- Step 1: Write the proportion equation
531,486.41 : 733,441.37 = 289,771.07 : x - Step 2: Convert to fraction form
531,486.41/733,441.37 = 289,771.07/x - Step 3: Cross multiply
531,486.41x = 733,441.37 × 289,771.07 - Step 4: Simplify right side
531,486.41x = 212,530,085,451.10 - Step 5: Solve for x
x = 212,530,085,451.10/531,486.41 - Step 6: Final answer
x = 399,878.69
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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.