Finding the Fourth Proportional to 816,349.68, 1,126,484.28 and 756,163.44
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Solution
The fourth proportional to 816,349.68, 1,126,484.28 and 756,163.44 is: 1,043,433.04
Step by Step Solution
- Step 1: Write the proportion equation
816,349.68 : 1,126,484.28 = 756,163.44 : x - Step 2: Convert to fraction form
816,349.68/1,126,484.28 = 756,163.44/x - Step 3: Cross multiply
816,349.68x = 1,126,484.28 × 756,163.44 - Step 4: Simplify right side
816,349.68x = 851,806,228,270.72 - Step 5: Solve for x
x = 851,806,228,270.72/816,349.68 - Step 6: Final answer
x = 1,043,433.04
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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.