Finding the Fourth Proportional to 957,382.76, 1,321,196.23 and 527,663.99
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Solution
The fourth proportional to 957,382.76, 1,321,196.23 and 527,663.99 is: 728,180.73
Step by Step Solution
- Step 1: Write the proportion equation
957,382.76 : 1,321,196.23 = 527,663.99 : x - Step 2: Convert to fraction form
957,382.76/1,321,196.23 = 527,663.99/x - Step 3: Cross multiply
957,382.76x = 1,321,196.23 × 527,663.99 - Step 4: Simplify right side
957,382.76x = 697,147,678,257.33 - Step 5: Solve for x
x = 697,147,678,257.33/957,382.76 - Step 6: Final answer
x = 728,180.73
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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.