Finding the Fourth Proportional to 710,917.53, 1,065,433.13 and 311,122.99
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Solution
The fourth proportional to 710,917.53, 1,065,433.13 and 311,122.99 is: 466,271.73
Step by Step Solution
- Step 1: Write the proportion equation
710,917.53 : 1,065,433.13 = 311,122.99 : x - Step 2: Convert to fraction form
710,917.53/1,065,433.13 = 311,122.99/x - Step 3: Cross multiply
710,917.53x = 1,065,433.13 × 311,122.99 - Step 4: Simplify right side
710,917.53x = 331,480,741,993.55 - Step 5: Solve for x
x = 331,480,741,993.55/710,917.53 - Step 6: Final answer
x = 466,271.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.