Finding the Fourth Proportional to 871,474.68, 1,202,635.76 and 489,501.77
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Solution
The fourth proportional to 871,474.68, 1,202,635.76 and 489,501.77 is: 675,512.83
Step by Step Solution
- Step 1: Write the proportion equation
871,474.68 : 1,202,635.76 = 489,501.77 : x - Step 2: Convert to fraction form
871,474.68/1,202,635.76 = 489,501.77/x - Step 3: Cross multiply
871,474.68x = 1,202,635.76 × 489,501.77 - Step 4: Simplify right side
871,474.68x = 588,692,324,724.61 - Step 5: Solve for x
x = 588,692,324,724.61/871,474.68 - Step 6: Final answer
x = 675,512.83
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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.