Finding the Fourth Proportional to 994,320.72, 1,491,656.40 and 364,114.80
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Solution
The fourth proportional to 994,320.72, 1,491,656.40 and 364,114.80 is: 546,236.40
Step by Step Solution
- Step 1: Write the proportion equation
994,320.72 : 1,491,656.40 = 364,114.80 : x - Step 2: Convert to fraction form
994,320.72/1,491,656.40 = 364,114.80/x - Step 3: Cross multiply
994,320.72x = 1,491,656.40 × 364,114.80 - Step 4: Simplify right side
994,320.72x = 543,134,171,754.72 - Step 5: Solve for x
x = 543,134,171,754.72/994,320.72 - Step 6: Final answer
x = 546,236.40
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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.