Finding the Fourth Proportional to 804,563.30, 1,206,488.55 and 271,939.70
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Solution
The fourth proportional to 804,563.30, 1,206,488.55 and 271,939.70 is: 407,789.09
Step by Step Solution
- Step 1: Write the proportion equation
804,563.30 : 1,206,488.55 = 271,939.70 : x - Step 2: Convert to fraction form
804,563.30/1,206,488.55 = 271,939.70/x - Step 3: Cross multiply
804,563.30x = 1,206,488.55 × 271,939.70 - Step 4: Simplify right side
804,563.30x = 328,092,134,340.44 - Step 5: Solve for x
x = 328,092,134,340.44/804,563.30 - Step 6: Final answer
x = 407,789.09
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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.