Finding the Fourth Proportional to 871,601.84, 1,202,679.60 and 489,555.44
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Solution
The fourth proportional to 871,601.84, 1,202,679.60 and 489,555.44 is: 675,512.96
Step by Step Solution
- Step 1: Write the proportion equation
871,601.84 : 1,202,679.60 = 489,555.44 : x - Step 2: Convert to fraction form
871,601.84/1,202,679.60 = 489,555.44/x - Step 3: Cross multiply
871,601.84x = 1,202,679.60 × 489,555.44 - Step 4: Simplify right side
871,601.84x = 588,778,340,757.02 - Step 5: Solve for x
x = 588,778,340,757.02/871,601.84 - Step 6: Final answer
x = 675,512.96
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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.