Finding the Fourth Proportional to 802,618.44, 1,107,231.84 and 480,263.64
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Solution
The fourth proportional to 802,618.44, 1,107,231.84 and 480,263.64 is: 662,535.48
Step by Step Solution
- Step 1: Write the proportion equation
802,618.44 : 1,107,231.84 = 480,263.64 : x - Step 2: Convert to fraction form
802,618.44/1,107,231.84 = 480,263.64/x - Step 3: Cross multiply
802,618.44x = 1,107,231.84 × 480,263.64 - Step 4: Simplify right side
802,618.44x = 531,763,193,802.30 - Step 5: Solve for x
x = 531,763,193,802.30/802,618.44 - Step 6: Final answer
x = 662,535.48
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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.