Finding the Fourth Proportional to 741,419.82, 1,023,160.68 and 401,888.88
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Solution
The fourth proportional to 741,419.82, 1,023,160.68 and 401,888.88 is: 554,607.37
Step by Step Solution
- Step 1: Write the proportion equation
741,419.82 : 1,023,160.68 = 401,888.88 : x - Step 2: Convert to fraction form
741,419.82/1,023,160.68 = 401,888.88/x - Step 3: Cross multiply
741,419.82x = 1,023,160.68 × 401,888.88 - Step 4: Simplify right side
741,419.82x = 411,196,899,745.24 - Step 5: Solve for x
x = 411,196,899,745.24/741,419.82 - Step 6: Final answer
x = 554,607.37
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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.