Finding the Fourth Proportional to 804,704.40, 1,207,202.40 and 404,337.60
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Solution
The fourth proportional to 804,704.40, 1,207,202.40 and 404,337.60 is: 606,579.66
Step by Step Solution
- Step 1: Write the proportion equation
804,704.40 : 1,207,202.40 = 404,337.60 : x - Step 2: Convert to fraction form
804,704.40/1,207,202.40 = 404,337.60/x - Step 3: Cross multiply
804,704.40x = 1,207,202.40 × 404,337.60 - Step 4: Simplify right side
804,704.40x = 488,117,321,130.24 - Step 5: Solve for x
x = 488,117,321,130.24/804,704.40 - Step 6: Final answer
x = 606,579.66
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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.