Finding the Fourth Proportional to 547,545.99, 755,605.42 and 305,832.09
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Solution
The fourth proportional to 547,545.99, 755,605.42 and 305,832.09 is: 422,043.79
Step by Step Solution
- Step 1: Write the proportion equation
547,545.99 : 755,605.42 = 305,832.09 : x - Step 2: Convert to fraction form
547,545.99/755,605.42 = 305,832.09/x - Step 3: Cross multiply
547,545.99x = 755,605.42 × 305,832.09 - Step 4: Simplify right side
547,545.99x = 231,088,384,813.93 - Step 5: Solve for x
x = 231,088,384,813.93/547,545.99 - Step 6: Final answer
x = 422,043.79
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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.