Finding the Fourth Proportional to 706,163.52, 974,511.95 and 383,874.15
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Solution
The fourth proportional to 706,163.52, 974,511.95 and 383,874.15 is: 529,749.75
Step by Step Solution
- Step 1: Write the proportion equation
706,163.52 : 974,511.95 = 383,874.15 : x - Step 2: Convert to fraction form
706,163.52/974,511.95 = 383,874.15/x - Step 3: Cross multiply
706,163.52x = 974,511.95 × 383,874.15 - Step 4: Simplify right side
706,163.52x = 374,089,946,471.09 - Step 5: Solve for x
x = 374,089,946,471.09/706,163.52 - Step 6: Final answer
x = 529,749.75
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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.