Finding the Fourth Proportional to 816,013.20, 1,223,177.40 and 366,949.20
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Solution
The fourth proportional to 816,013.20, 1,223,177.40 and 366,949.20 is: 550,044.99
Step by Step Solution
- Step 1: Write the proportion equation
816,013.20 : 1,223,177.40 = 366,949.20 : x - Step 2: Convert to fraction form
816,013.20/1,223,177.40 = 366,949.20/x - Step 3: Cross multiply
816,013.20x = 1,223,177.40 × 366,949.20 - Step 4: Simplify right side
816,013.20x = 448,843,968,388.08 - Step 5: Solve for x
x = 448,843,968,388.08/816,013.20 - Step 6: Final answer
x = 550,044.99
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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.