Finding the Fourth Proportional to 674,445.92, 930,735.36 and 372,639.92
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Solution
The fourth proportional to 674,445.92, 930,735.36 and 372,639.92 is: 514,243.08
Step by Step Solution
- Step 1: Write the proportion equation
674,445.92 : 930,735.36 = 372,639.92 : x - Step 2: Convert to fraction form
674,445.92/930,735.36 = 372,639.92/x - Step 3: Cross multiply
674,445.92x = 930,735.36 × 372,639.92 - Step 4: Simplify right side
674,445.92x = 346,829,150,091.57 - Step 5: Solve for x
x = 346,829,150,091.57/674,445.92 - Step 6: Final answer
x = 514,243.08
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1.5x scale
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.