Finding the Fourth Proportional to 682,972.97, 942,626.07 and 407,348.49
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Solution
The fourth proportional to 682,972.97, 942,626.07 and 407,348.49 is: 562,214.50
Step by Step Solution
- Step 1: Write the proportion equation
682,972.97 : 942,626.07 = 407,348.49 : x - Step 2: Convert to fraction form
682,972.97/942,626.07 = 407,348.49/x - Step 3: Cross multiply
682,972.97x = 942,626.07 × 407,348.49 - Step 4: Simplify right side
682,972.97x = 383,977,306,249.13 - Step 5: Solve for x
x = 383,977,306,249.13/682,972.97 - Step 6: Final answer
x = 562,214.50
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1.5x scale
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.