Finding the Fourth Proportional to 449,920.44, 620,487.98 and 373,318.20
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Solution
The fourth proportional to 449,920.44, 620,487.98 and 373,318.20 is: 514,845.37
Step by Step Solution
- Step 1: Write the proportion equation
449,920.44 : 620,487.98 = 373,318.20 : x - Step 2: Convert to fraction form
449,920.44/620,487.98 = 373,318.20/x - Step 3: Cross multiply
449,920.44x = 620,487.98 × 373,318.20 - Step 4: Simplify right side
449,920.44x = 231,639,455,815.24 - Step 5: Solve for x
x = 231,639,455,815.24/449,920.44 - Step 6: Final answer
x = 514,845.37
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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.