Finding the Fourth Proportional to 909,841.36, 1,365,944.64 and 699,626.88
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Solution
The fourth proportional to 909,841.36, 1,365,944.64 and 699,626.88 is: 1,050,349.69
Step by Step Solution
- Step 1: Write the proportion equation
909,841.36 : 1,365,944.64 = 699,626.88 : x - Step 2: Convert to fraction form
909,841.36/1,365,944.64 = 699,626.88/x - Step 3: Cross multiply
909,841.36x = 1,365,944.64 × 699,626.88 - Step 4: Simplify right side
909,841.36x = 955,651,586,735.92 - Step 5: Solve for x
x = 955,651,586,735.92/909,841.36 - Step 6: Final answer
x = 1,050,349.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.