Finding the Fourth Proportional to 876,727.44, 1,209,871.92 and 489,548.84
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Solution
The fourth proportional to 876,727.44, 1,209,871.92 and 489,548.84 is: 675,570.73
Step by Step Solution
- Step 1: Write the proportion equation
876,727.44 : 1,209,871.92 = 489,548.84 : x - Step 2: Convert to fraction form
876,727.44/1,209,871.92 = 489,548.84/x - Step 3: Cross multiply
876,727.44x = 1,209,871.92 × 489,548.84 - Step 4: Simplify right side
876,727.44x = 592,291,394,984.57 - Step 5: Solve for x
x = 592,291,394,984.57/876,727.44 - Step 6: Final answer
x = 675,570.73
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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.