Finding the Fourth Proportional to 718,767.44, 1,078,251.20 and 263,299.58
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Solution
The fourth proportional to 718,767.44, 1,078,251.20 and 263,299.58 is: 394,986.02
Step by Step Solution
- Step 1: Write the proportion equation
718,767.44 : 1,078,251.20 = 263,299.58 : x - Step 2: Convert to fraction form
718,767.44/1,078,251.20 = 263,299.58/x - Step 3: Cross multiply
718,767.44x = 1,078,251.20 × 263,299.58 - Step 4: Simplify right side
718,767.44x = 283,903,088,094.50 - Step 5: Solve for x
x = 283,903,088,094.50/718,767.44 - Step 6: Final answer
x = 394,986.02
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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.