Finding the Fourth Proportional to 1,091,486.16, 1,637,450.68 and 343,358.16
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Solution
The fourth proportional to 1,091,486.16, 1,637,450.68 and 343,358.16 is: 515,106.90
Step by Step Solution
- Step 1: Write the proportion equation
1,091,486.16 : 1,637,450.68 = 343,358.16 : x - Step 2: Convert to fraction form
1,091,486.16/1,637,450.68 = 343,358.16/x - Step 3: Cross multiply
1,091,486.16x = 1,637,450.68 × 343,358.16 - Step 4: Simplify right side
1,091,486.16x = 562,232,052,575.55 - Step 5: Solve for x
x = 562,232,052,575.55/1,091,486.16 - Step 6: Final answer
x = 515,106.90
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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.