Finding the Fourth Proportional to 1,242,381, 1,863,612.84 and 343,747.44
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Solution
The fourth proportional to 1,242,381, 1,863,612.84 and 343,747.44 is: 515,632.60
Step by Step Solution
- Step 1: Write the proportion equation
1,242,381 : 1,863,612.84 = 343,747.44 : x - Step 2: Convert to fraction form
1,242,381/1,863,612.84 = 343,747.44/x - Step 3: Cross multiply
1,242,381x = 1,863,612.84 × 343,747.44 - Step 4: Simplify right side
1,242,381x = 640,612,142,901.13 - Step 5: Solve for x
x = 640,612,142,901.13/1,242,381 - Step 6: Final answer
x = 515,632.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.