Finding the Fourth Proportional to 863,663.14, 1,295,660.75 and 331,142.63
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Solution
The fourth proportional to 863,663.14, 1,295,660.75 and 331,142.63 is: 496,777.61
Step by Step Solution
- Step 1: Write the proportion equation
863,663.14 : 1,295,660.75 = 331,142.63 : x - Step 2: Convert to fraction form
863,663.14/1,295,660.75 = 331,142.63/x - Step 3: Cross multiply
863,663.14x = 1,295,660.75 × 331,142.63 - Step 4: Simplify right side
863,663.14x = 429,048,508,342.77 - Step 5: Solve for x
x = 429,048,508,342.77/863,663.14 - Step 6: Final answer
x = 496,777.61
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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.