Finding the Fourth Proportional to 579,917.53, 869,162.41 and 276,471.55
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Solution
The fourth proportional to 579,917.53, 869,162.41 and 276,471.55 is: 414,366.99
Step by Step Solution
- Step 1: Write the proportion equation
579,917.53 : 869,162.41 = 276,471.55 : x - Step 2: Convert to fraction form
579,917.53/869,162.41 = 276,471.55/x - Step 3: Cross multiply
579,917.53x = 869,162.41 × 276,471.55 - Step 4: Simplify right side
579,917.53x = 240,298,678,694.44 - Step 5: Solve for x
x = 240,298,678,694.44/579,917.53 - Step 6: Final answer
x = 414,366.99
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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.