Finding the Fourth Proportional to 577,849.22, 797,455.42 and 319,721.97
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Solution
The fourth proportional to 577,849.22, 797,455.42 and 319,721.97 is: 441,229.32
Step by Step Solution
- Step 1: Write the proportion equation
577,849.22 : 797,455.42 = 319,721.97 : x - Step 2: Convert to fraction form
577,849.22/797,455.42 = 319,721.97/x - Step 3: Cross multiply
577,849.22x = 797,455.42 × 319,721.97 - Step 4: Simplify right side
577,849.22x = 254,964,016,078.08 - Step 5: Solve for x
x = 254,964,016,078.08/577,849.22 - Step 6: Final answer
x = 441,229.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.