Finding the Fourth Proportional to 568,596.36, 784,639.26 and 310,452.60
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Solution
The fourth proportional to 568,596.36, 784,639.26 and 310,452.60 is: 428,411.64
Step by Step Solution
- Step 1: Write the proportion equation
568,596.36 : 784,639.26 = 310,452.60 : x - Step 2: Convert to fraction form
568,596.36/784,639.26 = 310,452.60/x - Step 3: Cross multiply
568,596.36x = 784,639.26 × 310,452.60 - Step 4: Simplify right side
568,596.36x = 243,593,298,329.08 - Step 5: Solve for x
x = 243,593,298,329.08/568,596.36 - Step 6: Final answer
x = 428,411.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.