Finding the Fourth Proportional to 738,504.29, 1,107,313.52 and 338,644.15
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Solution
The fourth proportional to 738,504.29, 1,107,313.52 and 338,644.15 is: 507,763.12
Step by Step Solution
- Step 1: Write the proportion equation
738,504.29 : 1,107,313.52 = 338,644.15 : x - Step 2: Convert to fraction form
738,504.29/1,107,313.52 = 338,644.15/x - Step 3: Cross multiply
738,504.29x = 1,107,313.52 × 338,644.15 - Step 4: Simplify right side
738,504.29x = 374,985,245,763.91 - Step 5: Solve for x
x = 374,985,245,763.91/738,504.29 - Step 6: Final answer
x = 507,763.12
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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.