Finding the Fourth Proportional to 589,596.05, 813,637.60 and 331,474.14
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Solution
The fourth proportional to 589,596.05, 813,637.60 and 331,474.14 is: 457,431.53
Step by Step Solution
- Step 1: Write the proportion equation
589,596.05 : 813,637.60 = 331,474.14 : x - Step 2: Convert to fraction form
589,596.05/813,637.60 = 331,474.14/x - Step 3: Cross multiply
589,596.05x = 813,637.60 × 331,474.14 - Step 4: Simplify right side
589,596.05x = 269,699,822,902.98 - Step 5: Solve for x
x = 269,699,822,902.98/589,596.05 - Step 6: Final answer
x = 457,431.53
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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.