Finding the Fourth Proportional to 771,414.19, 1,157,197.40 and 265,908.62
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Solution
The fourth proportional to 771,414.19, 1,157,197.40 and 265,908.62 is: 398,889.16
Step by Step Solution
- Step 1: Write the proportion equation
771,414.19 : 1,157,197.40 = 265,908.62 : x - Step 2: Convert to fraction form
771,414.19/1,157,197.40 = 265,908.62/x - Step 3: Cross multiply
771,414.19x = 1,157,197.40 × 265,908.62 - Step 4: Simplify right side
771,414.19x = 307,708,759,313.22 - Step 5: Solve for x
x = 307,708,759,313.22/771,414.19 - Step 6: Final answer
x = 398,889.16
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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.