Finding the Fourth Proportional to 677,485.06, 1,016,324.26 and 221,978.88
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Solution
The fourth proportional to 677,485.06, 1,016,324.26 and 221,978.88 is: 332,999.99
Step by Step Solution
- Step 1: Write the proportion equation
677,485.06 : 1,016,324.26 = 221,978.88 : x - Step 2: Convert to fraction form
677,485.06/1,016,324.26 = 221,978.88/x - Step 3: Cross multiply
677,485.06x = 1,016,324.26 × 221,978.88 - Step 4: Simplify right side
677,485.06x = 225,602,521,645.31 - Step 5: Solve for x
x = 225,602,521,645.31/677,485.06 - Step 6: Final answer
x = 332,999.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.