Finding the Fourth Proportional to 747,632.26, 1,121,394.12 and 292,137.94
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Solution
The fourth proportional to 747,632.26, 1,121,394.12 and 292,137.94 is: 438,185.70
Step by Step Solution
- Step 1: Write the proportion equation
747,632.26 : 1,121,394.12 = 292,137.94 : x - Step 2: Convert to fraction form
747,632.26/1,121,394.12 = 292,137.94/x - Step 3: Cross multiply
747,632.26x = 1,121,394.12 × 292,137.94 - Step 4: Simplify right side
747,632.26x = 327,601,768,144.91 - Step 5: Solve for x
x = 327,601,768,144.91/747,632.26 - Step 6: Final answer
x = 438,185.70
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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.