Finding the Fourth Proportional to 756,117.37, 1,043,441.41 and 416,585.62
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Solution
The fourth proportional to 756,117.37, 1,043,441.41 and 416,585.62 is: 574,887.85
Step by Step Solution
- Step 1: Write the proportion equation
756,117.37 : 1,043,441.41 = 416,585.62 : x - Step 2: Convert to fraction form
756,117.37/1,043,441.41 = 416,585.62/x - Step 3: Cross multiply
756,117.37x = 1,043,441.41 × 416,585.62 - Step 4: Simplify right side
756,117.37x = 434,682,686,718.52 - Step 5: Solve for x
x = 434,682,686,718.52/756,117.37 - Step 6: Final answer
x = 574,887.85
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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.