Finding the Fourth Proportional to 518,049.81, 775,639.87 and 264,784.88
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Solution
The fourth proportional to 518,049.81, 775,639.87 and 264,784.88 is: 396,443.95
Step by Step Solution
- Step 1: Write the proportion equation
518,049.81 : 775,639.87 = 264,784.88 : x - Step 2: Convert to fraction form
518,049.81/775,639.87 = 264,784.88/x - Step 3: Cross multiply
518,049.81x = 775,639.87 × 264,784.88 - Step 4: Simplify right side
518,049.81x = 205,377,711,178.30 - Step 5: Solve for x
x = 205,377,711,178.30/518,049.81 - Step 6: Final answer
x = 396,443.95
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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.