Finding the Fourth Proportional to 815,496.36, 1,223,684.46 and 479,194.08
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Solution
The fourth proportional to 815,496.36, 1,223,684.46 and 479,194.08 is: 719,049.62
Step by Step Solution
- Step 1: Write the proportion equation
815,496.36 : 1,223,684.46 = 479,194.08 : x - Step 2: Convert to fraction form
815,496.36/1,223,684.46 = 479,194.08/x - Step 3: Cross multiply
815,496.36x = 1,223,684.46 × 479,194.08 - Step 4: Simplify right side
815,496.36x = 586,382,349,020.00 - Step 5: Solve for x
x = 586,382,349,020.00/815,496.36 - Step 6: Final answer
x = 719,049.62
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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.