Finding the Fourth Proportional to 927,144.36, 1,279,414.98 and 569,379.24
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Solution
The fourth proportional to 927,144.36, 1,279,414.98 and 569,379.24 is: 785,716.18
Step by Step Solution
- Step 1: Write the proportion equation
927,144.36 : 1,279,414.98 = 569,379.24 : x - Step 2: Convert to fraction form
927,144.36/1,279,414.98 = 569,379.24/x - Step 3: Cross multiply
927,144.36x = 1,279,414.98 × 569,379.24 - Step 4: Simplify right side
927,144.36x = 728,472,328,957.02 - Step 5: Solve for x
x = 728,472,328,957.02/927,144.36 - Step 6: Final answer
x = 785,716.18
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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.