Finding the Fourth Proportional to 821,610.41, 1,133,627.98 and 477,241.75
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Solution
The fourth proportional to 821,610.41, 1,133,627.98 and 477,241.75 is: 658,480.70
Step by Step Solution
- Step 1: Write the proportion equation
821,610.41 : 1,133,627.98 = 477,241.75 : x - Step 2: Convert to fraction form
821,610.41/1,133,627.98 = 477,241.75/x - Step 3: Cross multiply
821,610.41x = 1,133,627.98 × 477,241.75 - Step 4: Simplify right side
821,610.41x = 541,014,601,024.17 - Step 5: Solve for x
x = 541,014,601,024.17/821,610.41 - Step 6: Final answer
x = 658,480.70
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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.