Finding the Fourth Proportional to 980,835.26, 1,471,257.60 and 297,728.02
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Solution
The fourth proportional to 980,835.26, 1,471,257.60 and 297,728.02 is: 446,593.45
Step by Step Solution
- Step 1: Write the proportion equation
980,835.26 : 1,471,257.60 = 297,728.02 : x - Step 2: Convert to fraction form
980,835.26/1,471,257.60 = 297,728.02/x - Step 3: Cross multiply
980,835.26x = 1,471,257.60 × 297,728.02 - Step 4: Simplify right side
980,835.26x = 438,034,606,698.11 - Step 5: Solve for x
x = 438,034,606,698.11/980,835.26 - Step 6: Final answer
x = 446,593.45
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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.