Finding the Fourth Proportional to 1,184,827.20, 1,777,517.28 and 343,394.88
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Solution
The fourth proportional to 1,184,827.20, 1,777,517.28 and 343,394.88 is: 515,172.45
Step by Step Solution
- Step 1: Write the proportion equation
1,184,827.20 : 1,777,517.28 = 343,394.88 : x - Step 2: Convert to fraction form
1,184,827.20/1,777,517.28 = 343,394.88/x - Step 3: Cross multiply
1,184,827.20x = 1,777,517.28 × 343,394.88 - Step 4: Simplify right side
1,184,827.20x = 610,390,333,063.53 - Step 5: Solve for x
x = 610,390,333,063.53/1,184,827.20 - Step 6: Final answer
x = 515,172.45
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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.