Finding the Fourth Proportional to 756,141.70, 1,134,540.60 and 382,164.70
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Solution
The fourth proportional to 756,141.70, 1,134,540.60 and 382,164.70 is: 573,412.85
Step by Step Solution
- Step 1: Write the proportion equation
756,141.70 : 1,134,540.60 = 382,164.70 : x - Step 2: Convert to fraction form
756,141.70/1,134,540.60 = 382,164.70/x - Step 3: Cross multiply
756,141.70x = 1,134,540.60 × 382,164.70 - Step 4: Simplify right side
756,141.70x = 433,581,368,036.82 - Step 5: Solve for x
x = 433,581,368,036.82/756,141.70 - Step 6: Final answer
x = 573,412.85
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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.