Finding the Fourth Proportional to 994,538.70, 1,491,808.05 and 716,676.30
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Solution
The fourth proportional to 994,538.70, 1,491,808.05 and 716,676.30 is: 1,075,014.45
Step by Step Solution
- Step 1: Write the proportion equation
994,538.70 : 1,491,808.05 = 716,676.30 : x - Step 2: Convert to fraction form
994,538.70/1,491,808.05 = 716,676.30/x - Step 3: Cross multiply
994,538.70x = 1,491,808.05 × 716,676.30 - Step 4: Simplify right side
994,538.70x = 1,069,143,473,584.22 - Step 5: Solve for x
x = 1,069,143,473,584.22/994,538.70 - Step 6: Final answer
x = 1,075,014.45
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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.