Finding the Fourth Proportional to 582,698.32, 804,349.38 and 455,414.92
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Solution
The fourth proportional to 582,698.32, 804,349.38 and 455,414.92 is: 628,648.99
Step by Step Solution
- Step 1: Write the proportion equation
582,698.32 : 804,349.38 = 455,414.92 : x - Step 2: Convert to fraction form
582,698.32/804,349.38 = 455,414.92/x - Step 3: Cross multiply
582,698.32x = 804,349.38 × 455,414.92 - Step 4: Simplify right side
582,698.32x = 366,312,708,544.75 - Step 5: Solve for x
x = 366,312,708,544.75/582,698.32 - Step 6: Final answer
x = 628,648.99
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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.