Finding the Fourth Proportional to 1,247,771.40, 1,871,650.98 and 489,076.80
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Solution
The fourth proportional to 1,247,771.40, 1,871,650.98 and 489,076.80 is: 733,612.80
Step by Step Solution
- Step 1: Write the proportion equation
1,247,771.40 : 1,871,650.98 = 489,076.80 : x - Step 2: Convert to fraction form
1,247,771.40/1,871,650.98 = 489,076.80/x - Step 3: Cross multiply
1,247,771.40x = 1,871,650.98 × 489,076.80 - Step 4: Simplify right side
1,247,771.40x = 915,381,072,015.26 - Step 5: Solve for x
x = 915,381,072,015.26/1,247,771.40 - Step 6: Final answer
x = 733,612.80
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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.