Finding the Fourth Proportional to 659,652.30, 988,205.13 and 393,625.62
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Solution
The fourth proportional to 659,652.30, 988,205.13 and 393,625.62 is: 589,678.62
Step by Step Solution
- Step 1: Write the proportion equation
659,652.30 : 988,205.13 = 393,625.62 : x - Step 2: Convert to fraction form
659,652.30/988,205.13 = 393,625.62/x - Step 3: Cross multiply
659,652.30x = 988,205.13 × 393,625.62 - Step 4: Simplify right side
659,652.30x = 388,982,856,983.43 - Step 5: Solve for x
x = 388,982,856,983.43/659,652.30 - Step 6: Final answer
x = 589,678.62
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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.