Finding the Fourth Proportional to 618,037.75, 927,655.86 and 298,415.12
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Solution
The fourth proportional to 618,037.75, 927,655.86 and 298,415.12 is: 447,912.02
Step by Step Solution
- Step 1: Write the proportion equation
618,037.75 : 927,655.86 = 298,415.12 : x - Step 2: Convert to fraction form
618,037.75/927,655.86 = 298,415.12/x - Step 3: Cross multiply
618,037.75x = 927,655.86 × 298,415.12 - Step 4: Simplify right side
618,037.75x = 276,826,534,780.60 - Step 5: Solve for x
x = 276,826,534,780.60/618,037.75 - Step 6: Final answer
x = 447,912.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.