Finding the Fourth Proportional to 863,662.63, 1,295,660.00 and 331,142.13
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Solution
The fourth proportional to 863,662.63, 1,295,660.00 and 331,142.13 is: 496,776.86
Step by Step Solution
- Step 1: Write the proportion equation
863,662.63 : 1,295,660.00 = 331,142.13 : x - Step 2: Convert to fraction form
863,662.63/1,295,660.00 = 331,142.13/x - Step 3: Cross multiply
863,662.63x = 1,295,660.00 × 331,142.13 - Step 4: Simplify right side
863,662.63x = 429,047,611,327.95 - Step 5: Solve for x
x = 429,047,611,327.95/863,662.63 - Step 6: Final answer
x = 496,776.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.