Finding the Fourth Proportional to 748,556.58, 1,123,279.56 and 275,574.09
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Solution
The fourth proportional to 748,556.58, 1,123,279.56 and 275,574.09 is: 413,524.84
Step by Step Solution
- Step 1: Write the proportion equation
748,556.58 : 1,123,279.56 = 275,574.09 : x - Step 2: Convert to fraction form
748,556.58/1,123,279.56 = 275,574.09/x - Step 3: Cross multiply
748,556.58x = 1,123,279.56 × 275,574.09 - Step 4: Simplify right side
748,556.58x = 309,546,742,562.60 - Step 5: Solve for x
x = 309,546,742,562.60/748,556.58 - Step 6: Final answer
x = 413,524.84
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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.