Finding the Fourth Proportional to 848,465.84, 1,170,872.54 and 631,643.24
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Solution
The fourth proportional to 848,465.84, 1,170,872.54 and 631,643.24 is: 871,659.99
Step by Step Solution
- Step 1: Write the proportion equation
848,465.84 : 1,170,872.54 = 631,643.24 : x - Step 2: Convert to fraction form
848,465.84/1,170,872.54 = 631,643.24/x - Step 3: Cross multiply
848,465.84x = 1,170,872.54 × 631,643.24 - Step 4: Simplify right side
848,465.84x = 739,573,724,792.63 - Step 5: Solve for x
x = 739,573,724,792.63/848,465.84 - Step 6: Final answer
x = 871,659.99
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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.