Finding the Fourth Proportional to 713,736.68, 984,954.62 and 407,907.96
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Solution
The fourth proportional to 713,736.68, 984,954.62 and 407,907.96 is: 562,911.84
Step by Step Solution
- Step 1: Write the proportion equation
713,736.68 : 984,954.62 = 407,907.96 : x - Step 2: Convert to fraction form
713,736.68/984,954.62 = 407,907.96/x - Step 3: Cross multiply
713,736.68x = 984,954.62 × 407,907.96 - Step 4: Simplify right side
713,736.68x = 401,770,829,736.78 - Step 5: Solve for x
x = 401,770,829,736.78/713,736.68 - Step 6: Final answer
x = 562,911.84
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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.