Finding the Fourth Proportional to 809,739.36, 1,214,347.68 and 269,851.68
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Solution
The fourth proportional to 809,739.36, 1,214,347.68 and 269,851.68 is: 404,690.42
Step by Step Solution
- Step 1: Write the proportion equation
809,739.36 : 1,214,347.68 = 269,851.68 : x - Step 2: Convert to fraction form
809,739.36/1,214,347.68 = 269,851.68/x - Step 3: Cross multiply
809,739.36x = 1,214,347.68 × 269,851.68 - Step 4: Simplify right side
809,739.36x = 327,693,761,552.10 - Step 5: Solve for x
x = 327,693,761,552.10/809,739.36 - Step 6: Final answer
x = 404,690.42
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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.