Finding the Fourth Proportional to 756,160.40, 1,134,240.60 and 673,491.80
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Solution
The fourth proportional to 756,160.40, 1,134,240.60 and 673,491.80 is: 1,010,237.70
Step by Step Solution
- Step 1: Write the proportion equation
756,160.40 : 1,134,240.60 = 673,491.80 : x - Step 2: Convert to fraction form
756,160.40/1,134,240.60 = 673,491.80/x - Step 3: Cross multiply
756,160.40x = 1,134,240.60 × 673,491.80 - Step 4: Simplify right side
756,160.40x = 763,901,743,327.08 - Step 5: Solve for x
x = 763,901,743,327.08/756,160.40 - Step 6: Final answer
x = 1,010,237.70
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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.