Finding the Fourth Proportional to 756,379.44, 1,134,765.96 and 283,101.36
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Solution
The fourth proportional to 756,379.44, 1,134,765.96 and 283,101.36 is: 424,725.70
Step by Step Solution
- Step 1: Write the proportion equation
756,379.44 : 1,134,765.96 = 283,101.36 : x - Step 2: Convert to fraction form
756,379.44/1,134,765.96 = 283,101.36/x - Step 3: Cross multiply
756,379.44x = 1,134,765.96 × 283,101.36 - Step 4: Simplify right side
756,379.44x = 321,253,786,557.71 - Step 5: Solve for x
x = 321,253,786,557.71/756,379.44 - Step 6: Final answer
x = 424,725.70
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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.