Finding the Fourth Proportional to 796,436.79, 1,099,082.29 and 438,740.79
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Solution
The fourth proportional to 796,436.79, 1,099,082.29 and 438,740.79 is: 605,462.03
Step by Step Solution
- Step 1: Write the proportion equation
796,436.79 : 1,099,082.29 = 438,740.79 : x - Step 2: Convert to fraction form
796,436.79/1,099,082.29 = 438,740.79/x - Step 3: Cross multiply
796,436.79x = 1,099,082.29 × 438,740.79 - Step 4: Simplify right side
796,436.79x = 482,212,232,189.61 - Step 5: Solve for x
x = 482,212,232,189.61/796,436.79 - Step 6: Final answer
x = 605,462.03
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1.5x scale
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.