Finding the Fourth Proportional to 831,962.62, 1,148,104.66 and 449,988.49
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Solution
The fourth proportional to 831,962.62, 1,148,104.66 and 449,988.49 is: 620,982.08
Step by Step Solution
- Step 1: Write the proportion equation
831,962.62 : 1,148,104.66 = 449,988.49 : x - Step 2: Convert to fraction form
831,962.62/1,148,104.66 = 449,988.49/x - Step 3: Cross multiply
831,962.62x = 1,148,104.66 × 449,988.49 - Step 4: Simplify right side
831,962.62x = 516,633,882,315.36 - Step 5: Solve for x
x = 516,633,882,315.36/831,962.62 - Step 6: Final answer
x = 620,982.08
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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.