Finding the Fourth Proportional to 655,905.93, 984,383.77 and 340,453.05
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Solution
The fourth proportional to 655,905.93, 984,383.77 and 340,453.05 is: 510,952.02
Step by Step Solution
- Step 1: Write the proportion equation
655,905.93 : 984,383.77 = 340,453.05 : x - Step 2: Convert to fraction form
655,905.93/984,383.77 = 340,453.05/x - Step 3: Cross multiply
655,905.93x = 984,383.77 × 340,453.05 - Step 4: Simplify right side
655,905.93x = 335,136,456,867.00 - Step 5: Solve for x
x = 335,136,456,867.00/655,905.93 - Step 6: Final answer
x = 510,952.02
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1.5x scale
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.