Finding the Fourth Proportional to 804,518.30, 1,206,421.05 and 271,894.70
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Solution
The fourth proportional to 804,518.30, 1,206,421.05 and 271,894.70 is: 407,721.60
Step by Step Solution
- Step 1: Write the proportion equation
804,518.30 : 1,206,421.05 = 271,894.70 : x - Step 2: Convert to fraction form
804,518.30/1,206,421.05 = 271,894.70/x - Step 3: Cross multiply
804,518.30x = 1,206,421.05 × 271,894.70 - Step 4: Simplify right side
804,518.30x = 328,019,489,463.44 - Step 5: Solve for x
x = 328,019,489,463.44/804,518.30 - Step 6: Final answer
x = 407,721.60
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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.