Finding the Fourth Proportional to 987,352.19, 1,481,564.10 and 419,052.95
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Solution
The fourth proportional to 987,352.19, 1,481,564.10 and 419,052.95 is: 628,806.84
Step by Step Solution
- Step 1: Write the proportion equation
987,352.19 : 1,481,564.10 = 419,052.95 : x - Step 2: Convert to fraction form
987,352.19/1,481,564.10 = 419,052.95/x - Step 3: Cross multiply
987,352.19x = 1,481,564.10 × 419,052.95 - Step 4: Simplify right side
987,352.19x = 620,853,806,719.10 - Step 5: Solve for x
x = 620,853,806,719.10/987,352.19 - Step 6: Final answer
x = 628,806.84
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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.