Finding the Fourth Proportional to 984,441.42, 1,358,529.12 and 531,732.42
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Solution
The fourth proportional to 984,441.42, 1,358,529.12 and 531,732.42 is: 733,790.72
Step by Step Solution
- Step 1: Write the proportion equation
984,441.42 : 1,358,529.12 = 531,732.42 : x - Step 2: Convert to fraction form
984,441.42/1,358,529.12 = 531,732.42/x - Step 3: Cross multiply
984,441.42x = 1,358,529.12 × 531,732.42 - Step 4: Simplify right side
984,441.42x = 722,373,976,618.07 - Step 5: Solve for x
x = 722,373,976,618.07/984,441.42 - Step 6: Final answer
x = 733,790.72
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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.