Finding the Fourth Proportional to 696,419.16, 1,044,721.62 and 275,596.62
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Solution
The fourth proportional to 696,419.16, 1,044,721.62 and 275,596.62 is: 413,431.69
Step by Step Solution
- Step 1: Write the proportion equation
696,419.16 : 1,044,721.62 = 275,596.62 : x - Step 2: Convert to fraction form
696,419.16/1,044,721.62 = 275,596.62/x - Step 3: Cross multiply
696,419.16x = 1,044,721.62 × 275,596.62 - Step 4: Simplify right side
696,419.16x = 287,921,747,312.92 - Step 5: Solve for x
x = 287,921,747,312.92/696,419.16 - Step 6: Final answer
x = 413,431.69
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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.