Finding the Fourth Proportional to 802,144.16, 1,106,959.12 and 479,867.68
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Solution
The fourth proportional to 802,144.16, 1,106,959.12 and 479,867.68 is: 662,217.51
Step by Step Solution
- Step 1: Write the proportion equation
802,144.16 : 1,106,959.12 = 479,867.68 : x - Step 2: Convert to fraction form
802,144.16/1,106,959.12 = 479,867.68/x - Step 3: Cross multiply
802,144.16x = 1,106,959.12 × 479,867.68 - Step 4: Simplify right side
802,144.16x = 531,193,904,769.24 - Step 5: Solve for x
x = 531,193,904,769.24/802,144.16 - Step 6: Final answer
x = 662,217.51
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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.