Finding the Fourth Proportional to 686,366.74, 946,865.73 and 431,858.26
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Solution
The fourth proportional to 686,366.74, 946,865.73 and 431,858.26 is: 595,762.82
Step by Step Solution
- Step 1: Write the proportion equation
686,366.74 : 946,865.73 = 431,858.26 : x - Step 2: Convert to fraction form
686,366.74/946,865.73 = 431,858.26/x - Step 3: Cross multiply
686,366.74x = 946,865.73 × 431,858.26 - Step 4: Simplify right side
686,366.74x = 408,911,786,611.43 - Step 5: Solve for x
x = 408,911,786,611.43/686,366.74 - Step 6: Final answer
x = 595,762.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.