Finding the Fourth Proportional to 628,489.36, 941,992.26 and 268,554.92
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Solution
The fourth proportional to 628,489.36, 941,992.26 and 268,554.92 is: 402,515.42
Step by Step Solution
- Step 1: Write the proportion equation
628,489.36 : 941,992.26 = 268,554.92 : x - Step 2: Convert to fraction form
628,489.36/941,992.26 = 268,554.92/x - Step 3: Cross multiply
628,489.36x = 941,992.26 × 268,554.92 - Step 4: Simplify right side
628,489.36x = 252,976,656,024.92 - Step 5: Solve for x
x = 252,976,656,024.92/628,489.36 - Step 6: Final answer
x = 402,515.42
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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.