Finding the Fourth Proportional to 422,799.62, 633,534.28 and 326,971.44
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Solution
The fourth proportional to 422,799.62, 633,534.28 and 326,971.44 is: 489,942.77
Step by Step Solution
- Step 1: Write the proportion equation
422,799.62 : 633,534.28 = 326,971.44 : x - Step 2: Convert to fraction form
422,799.62/633,534.28 = 326,971.44/x - Step 3: Cross multiply
422,799.62x = 633,534.28 × 326,971.44 - Step 4: Simplify right side
422,799.62x = 207,147,615,820.96 - Step 5: Solve for x
x = 207,147,615,820.96/422,799.62 - Step 6: Final answer
x = 489,942.77
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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.