Finding the Fourth Proportional to 757,453.56, 1,045,664.70 and 471,065.91
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Solution
The fourth proportional to 757,453.56, 1,045,664.70 and 471,065.91 is: 650,306.53
Step by Step Solution
- Step 1: Write the proportion equation
757,453.56 : 1,045,664.70 = 471,065.91 : x - Step 2: Convert to fraction form
757,453.56/1,045,664.70 = 471,065.91/x - Step 3: Cross multiply
757,453.56x = 1,045,664.70 × 471,065.91 - Step 4: Simplify right side
757,453.56x = 492,576,993,460.38 - Step 5: Solve for x
x = 492,576,993,460.38/757,453.56 - Step 6: Final answer
x = 650,306.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.