Finding the Fourth Proportional to 674,163.44, 930,329.16 and 387,676.94
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Solution
The fourth proportional to 674,163.44, 930,329.16 and 387,676.94 is: 534,984.75
Step by Step Solution
- Step 1: Write the proportion equation
674,163.44 : 930,329.16 = 387,676.94 : x - Step 2: Convert to fraction form
674,163.44/930,329.16 = 387,676.94/x - Step 3: Cross multiply
674,163.44x = 930,329.16 × 387,676.94 - Step 4: Simplify right side
674,163.44x = 360,667,161,941.57 - Step 5: Solve for x
x = 360,667,161,941.57/674,163.44 - Step 6: Final answer
x = 534,984.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.