Finding the Fourth Proportional to 798,312.45, 1,197,660.04 and 265,838.09
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Solution
The fourth proportional to 798,312.45, 1,197,660.04 and 265,838.09 is: 398,820.86
Step by Step Solution
- Step 1: Write the proportion equation
798,312.45 : 1,197,660.04 = 265,838.09 : x - Step 2: Convert to fraction form
798,312.45/1,197,660.04 = 265,838.09/x - Step 3: Cross multiply
798,312.45x = 1,197,660.04 × 265,838.09 - Step 4: Simplify right side
798,312.45x = 318,383,659,832.48 - Step 5: Solve for x
x = 318,383,659,832.48/798,312.45 - Step 6: Final answer
x = 398,820.86
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1.5x scale
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.