Finding the Fourth Proportional to 667,777.92, 1,000,998.63 and 331,064.97
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Solution
The fourth proportional to 667,777.92, 1,000,998.63 and 331,064.97 is: 496,266.16
Step by Step Solution
- Step 1: Write the proportion equation
667,777.92 : 1,000,998.63 = 331,064.97 : x - Step 2: Convert to fraction form
667,777.92/1,000,998.63 = 331,064.97/x - Step 3: Cross multiply
667,777.92x = 1,000,998.63 × 331,064.97 - Step 4: Simplify right side
667,777.92x = 331,395,581,410.99 - Step 5: Solve for x
x = 331,395,581,410.99/667,777.92 - Step 6: Final answer
x = 496,266.16
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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.