Finding the Fourth Proportional to 946,557.21, 1,306,242.40 and 516,837.09
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Solution
The fourth proportional to 946,557.21, 1,306,242.40 and 516,837.09 is: 713,231.61
Step by Step Solution
- Step 1: Write the proportion equation
946,557.21 : 1,306,242.40 = 516,837.09 : x - Step 2: Convert to fraction form
946,557.21/1,306,242.40 = 516,837.09/x - Step 3: Cross multiply
946,557.21x = 1,306,242.40 × 516,837.09 - Step 4: Simplify right side
946,557.21x = 675,114,520,850.62 - Step 5: Solve for x
x = 675,114,520,850.62/946,557.21 - Step 6: Final answer
x = 713,231.61
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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.