Finding the Fourth Proportional to 569,305.73, 785,644.99 and 311,183.03
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Solution
The fourth proportional to 569,305.73, 785,644.99 and 311,183.03 is: 429,434.27
Step by Step Solution
- Step 1: Write the proportion equation
569,305.73 : 785,644.99 = 311,183.03 : x - Step 2: Convert to fraction form
569,305.73/785,644.99 = 311,183.03/x - Step 3: Cross multiply
569,305.73x = 785,644.99 × 311,183.03 - Step 4: Simplify right side
569,305.73x = 244,479,389,678.68 - Step 5: Solve for x
x = 244,479,389,678.68/569,305.73 - Step 6: Final answer
x = 429,434.27
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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.