Finding the Fourth Proportional to 1,063,512.36, 1,595,577.42 and 343,838.70
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Solution
The fourth proportional to 1,063,512.36, 1,595,577.42 and 343,838.70 is: 515,857.91
Step by Step Solution
- Step 1: Write the proportion equation
1,063,512.36 : 1,595,577.42 = 343,838.70 : x - Step 2: Convert to fraction form
1,063,512.36/1,595,577.42 = 343,838.70/x - Step 3: Cross multiply
1,063,512.36x = 1,595,577.42 × 343,838.70 - Step 4: Simplify right side
1,063,512.36x = 548,621,265,842.15 - Step 5: Solve for x
x = 548,621,265,842.15/1,063,512.36 - Step 6: Final answer
x = 515,857.91
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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.