Finding the Fourth Proportional to 682,951.91, 942,448.87 and 377,021.70
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Solution
The fourth proportional to 682,951.91, 942,448.87 and 377,021.70 is: 520,276.28
Step by Step Solution
- Step 1: Write the proportion equation
682,951.91 : 942,448.87 = 377,021.70 : x - Step 2: Convert to fraction form
682,951.91/942,448.87 = 377,021.70/x - Step 3: Cross multiply
682,951.91x = 942,448.87 × 377,021.70 - Step 4: Simplify right side
682,951.91x = 355,323,675,130.48 - Step 5: Solve for x
x = 355,323,675,130.48/682,951.91 - Step 6: Final answer
x = 520,276.28
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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.