Finding the Fourth Proportional to 486,880.08, 729,717.24 and 275,878.32
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Solution
The fourth proportional to 486,880.08, 729,717.24 and 275,878.32 is: 413,475.87
Step by Step Solution
- Step 1: Write the proportion equation
486,880.08 : 729,717.24 = 275,878.32 : x - Step 2: Convert to fraction form
486,880.08/729,717.24 = 275,878.32/x - Step 3: Cross multiply
486,880.08x = 729,717.24 × 275,878.32 - Step 4: Simplify right side
486,880.08x = 201,313,166,246.24 - Step 5: Solve for x
x = 201,313,166,246.24/486,880.08 - Step 6: Final answer
x = 413,475.87
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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.