Finding the Fourth Proportional to 946,440.18, 1,419,672.56 and 272,532.53
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Solution
The fourth proportional to 946,440.18, 1,419,672.56 and 272,532.53 is: 408,802.33
Step by Step Solution
- Step 1: Write the proportion equation
946,440.18 : 1,419,672.56 = 272,532.53 : x - Step 2: Convert to fraction form
946,440.18/1,419,672.56 = 272,532.53/x - Step 3: Cross multiply
946,440.18x = 1,419,672.56 × 272,532.53 - Step 4: Simplify right side
946,440.18x = 386,906,954,548.38 - Step 5: Solve for x
x = 386,906,954,548.38/946,440.18 - Step 6: Final answer
x = 408,802.33
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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.