Finding the Fourth Proportional to 403,850.40, 605,775.60 and 403,850.40
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Solution
The fourth proportional to 403,850.40, 605,775.60 and 403,850.40 is: 605,775.60
Step by Step Solution
- Step 1: Write the proportion equation
403,850.40 : 605,775.60 = 403,850.40 : x - Step 2: Convert to fraction form
403,850.40/605,775.60 = 403,850.40/x - Step 3: Cross multiply
403,850.40x = 605,775.60 × 403,850.40 - Step 4: Simplify right side
403,850.40x = 244,642,718,370.24 - Step 5: Solve for x
x = 244,642,718,370.24/403,850.40 - Step 6: Final answer
x = 605,775.60
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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.