Finding the Fourth Proportional to 994,607.80, 1,491,911.70 and 246,653.80
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Solution
The fourth proportional to 994,607.80, 1,491,911.70 and 246,653.80 is: 369,980.70
Step by Step Solution
- Step 1: Write the proportion equation
994,607.80 : 1,491,911.70 = 246,653.80 : x - Step 2: Convert to fraction form
994,607.80/1,491,911.70 = 246,653.80/x - Step 3: Cross multiply
994,607.80x = 1,491,911.70 × 246,653.80 - Step 4: Simplify right side
994,607.80x = 367,985,690,069.46 - Step 5: Solve for x
x = 367,985,690,069.46/994,607.80 - Step 6: Final answer
x = 369,980.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.