Finding the Fourth Proportional to 706,163.28, 974,511.60 and 383,873.91
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Solution
The fourth proportional to 706,163.28, 974,511.60 and 383,873.91 is: 529,749.41
Step by Step Solution
- Step 1: Write the proportion equation
706,163.28 : 974,511.60 = 383,873.91 : x - Step 2: Convert to fraction form
706,163.28/974,511.60 = 383,873.91/x - Step 3: Cross multiply
706,163.28x = 974,511.60 × 383,873.91 - Step 4: Simplify right side
706,163.28x = 374,089,578,232.36 - Step 5: Solve for x
x = 374,089,578,232.36/706,163.28 - Step 6: Final answer
x = 529,749.41
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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.