Finding the Fourth Proportional to 738,647.36, 1,106,960.16 and 401,246.72
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Solution
The fourth proportional to 738,647.36, 1,106,960.16 and 401,246.72 is: 601,320.95
Step by Step Solution
- Step 1: Write the proportion equation
738,647.36 : 1,106,960.16 = 401,246.72 : x - Step 2: Convert to fraction form
738,647.36/1,106,960.16 = 401,246.72/x - Step 3: Cross multiply
738,647.36x = 1,106,960.16 × 401,246.72 - Step 4: Simplify right side
738,647.36x = 444,164,133,370.68 - Step 5: Solve for x
x = 444,164,133,370.68/738,647.36 - Step 6: Final answer
x = 601,320.95
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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.