Finding the Fourth Proportional to 532,416.78, 734,737.37 and 290,704.68
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Solution
The fourth proportional to 532,416.78, 734,737.37 and 290,704.68 is: 401,173.66
Step by Step Solution
- Step 1: Write the proportion equation
532,416.78 : 734,737.37 = 290,704.68 : x - Step 2: Convert to fraction form
532,416.78/734,737.37 = 290,704.68/x - Step 3: Cross multiply
532,416.78x = 734,737.37 × 290,704.68 - Step 4: Simplify right side
532,416.78x = 213,591,590,576.37 - Step 5: Solve for x
x = 213,591,590,576.37/532,416.78 - Step 6: Final answer
x = 401,173.66
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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.