Finding the Fourth Proportional to 743,141.94, 1,025,537.86 and 437,229.84
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Solution
The fourth proportional to 743,141.94, 1,025,537.86 and 437,229.84 is: 603,378.35
Step by Step Solution
- Step 1: Write the proportion equation
743,141.94 : 1,025,537.86 = 437,229.84 : x - Step 2: Convert to fraction form
743,141.94/1,025,537.86 = 437,229.84/x - Step 3: Cross multiply
743,141.94x = 1,025,537.86 × 437,229.84 - Step 4: Simplify right side
743,141.94x = 448,395,754,441.74 - Step 5: Solve for x
x = 448,395,754,441.74/743,141.94 - Step 6: Final answer
x = 603,378.35
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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.