Finding the Fourth Proportional to 458,661.40, 632,502.21 and 422,455.62
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Solution
The fourth proportional to 458,661.40, 632,502.21 and 422,455.62 is: 582,573.79
Step by Step Solution
- Step 1: Write the proportion equation
458,661.40 : 632,502.21 = 422,455.62 : x - Step 2: Convert to fraction form
458,661.40/632,502.21 = 422,455.62/x - Step 3: Cross multiply
458,661.40x = 632,502.21 × 422,455.62 - Step 4: Simplify right side
458,661.40x = 267,204,110,114.41 - Step 5: Solve for x
x = 267,204,110,114.41/458,661.40 - Step 6: Final answer
x = 582,573.79
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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.