Finding the Fourth Proportional to 744,714.36, 1,027,731.42 and 405,195.48
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Solution
The fourth proportional to 744,714.36, 1,027,731.42 and 405,195.48 is: 559,183.69
Step by Step Solution
- Step 1: Write the proportion equation
744,714.36 : 1,027,731.42 = 405,195.48 : x - Step 2: Convert to fraction form
744,714.36/1,027,731.42 = 405,195.48/x - Step 3: Cross multiply
744,714.36x = 1,027,731.42 × 405,195.48 - Step 4: Simplify right side
744,714.36x = 416,432,126,037.98 - Step 5: Solve for x
x = 416,432,126,037.98/744,714.36 - Step 6: Final answer
x = 559,183.69
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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.