Finding the Fourth Proportional to 424,257.93, 637,553.30 and 396,517.05
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Solution
The fourth proportional to 424,257.93, 637,553.30 and 396,517.05 is: 595,865.71
Step by Step Solution
- Step 1: Write the proportion equation
424,257.93 : 637,553.30 = 396,517.05 : x - Step 2: Convert to fraction form
424,257.93/637,553.30 = 396,517.05/x - Step 3: Cross multiply
424,257.93x = 637,553.30 × 396,517.05 - Step 4: Simplify right side
424,257.93x = 252,800,751,751.18 - Step 5: Solve for x
x = 252,800,751,751.18/424,257.93 - Step 6: Final answer
x = 595,865.71
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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.