Finding the Fourth Proportional to 531,214.67, 733,054.87 and 289,492.09
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Solution
The fourth proportional to 531,214.67, 733,054.87 and 289,492.09 is: 399,487.44
Step by Step Solution
- Step 1: Write the proportion equation
531,214.67 : 733,054.87 = 289,492.09 : x - Step 2: Convert to fraction form
531,214.67/733,054.87 = 289,492.09/x - Step 3: Cross multiply
531,214.67x = 733,054.87 × 289,492.09 - Step 4: Simplify right side
531,214.67x = 212,213,586,400.98 - Step 5: Solve for x
x = 212,213,586,400.98/531,214.67 - Step 6: Final answer
x = 399,487.44
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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.