Finding the Fourth Proportional to 896,138.60, 1,344,207.90 and 827,709.80
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Solution
The fourth proportional to 896,138.60, 1,344,207.90 and 827,709.80 is: 1,241,564.70
Step by Step Solution
- Step 1: Write the proportion equation
896,138.60 : 1,344,207.90 = 827,709.80 : x - Step 2: Convert to fraction form
896,138.60/1,344,207.90 = 827,709.80/x - Step 3: Cross multiply
896,138.60x = 1,344,207.90 × 827,709.80 - Step 4: Simplify right side
896,138.60x = 1,112,614,052,067.42 - Step 5: Solve for x
x = 1,112,614,052,067.42/896,138.60 - Step 6: Final answer
x = 1,241,564.70
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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.