Finding the Fourth Proportional to 946,556.21, 1,306,241.02 and 516,836.09
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Solution
The fourth proportional to 946,556.21, 1,306,241.02 and 516,836.09 is: 713,230.23
Step by Step Solution
- Step 1: Write the proportion equation
946,556.21 : 1,306,241.02 = 516,836.09 : x - Step 2: Convert to fraction form
946,556.21/1,306,241.02 = 516,836.09/x - Step 3: Cross multiply
946,556.21x = 1,306,241.02 × 516,836.09 - Step 4: Simplify right side
946,556.21x = 675,112,501,374.41 - Step 5: Solve for x
x = 675,112,501,374.41/946,556.21 - Step 6: Final answer
x = 713,230.23
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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.