Finding the Fourth Proportional to 1,008,051.05, 1,512,076.58 and 343,203.05
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Solution
The fourth proportional to 1,008,051.05, 1,512,076.58 and 343,203.05 is: 514,804.58
Step by Step Solution
- Step 1: Write the proportion equation
1,008,051.05 : 1,512,076.58 = 343,203.05 : x - Step 2: Convert to fraction form
1,008,051.05/1,512,076.58 = 343,203.05/x - Step 3: Cross multiply
1,008,051.05x = 1,512,076.58 × 343,203.05 - Step 4: Simplify right side
1,008,051.05x = 518,949,292,373.55 - Step 5: Solve for x
x = 518,949,292,373.55/1,008,051.05 - Step 6: Final answer
x = 514,804.58
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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.