Finding the Fourth Proportional to 853,576.38, 1,177,903.62 and 471,594.96
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Solution
The fourth proportional to 853,576.38, 1,177,903.62 and 471,594.96 is: 650,783.48
Step by Step Solution
- Step 1: Write the proportion equation
853,576.38 : 1,177,903.62 = 471,594.96 : x - Step 2: Convert to fraction form
853,576.38/1,177,903.62 = 471,594.96/x - Step 3: Cross multiply
853,576.38x = 1,177,903.62 × 471,594.96 - Step 4: Simplify right side
853,576.38x = 555,493,410,557.76 - Step 5: Solve for x
x = 555,493,410,557.76/853,576.38 - Step 6: Final answer
x = 650,783.48
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1.5x scale
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.