Finding the Fourth Proportional to 526,898.87, 789,711.84 and 256,621.94
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Solution
The fourth proportional to 526,898.87, 789,711.84 and 256,621.94 is: 384,622.92
Step by Step Solution
- Step 1: Write the proportion equation
526,898.87 : 789,711.84 = 256,621.94 : x - Step 2: Convert to fraction form
526,898.87/789,711.84 = 256,621.94/x - Step 3: Cross multiply
526,898.87x = 789,711.84 × 256,621.94 - Step 4: Simplify right side
526,898.87x = 202,657,380,473.21 - Step 5: Solve for x
x = 202,657,380,473.21/526,898.87 - Step 6: Final answer
x = 384,622.92
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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.