Finding the Fourth Proportional to 957,661.65, 1,321,632.59 and 527,940.99
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Solution
The fourth proportional to 957,661.65, 1,321,632.59 and 527,940.99 is: 728,591.37
Step by Step Solution
- Step 1: Write the proportion equation
957,661.65 : 1,321,632.59 = 527,940.99 : x - Step 2: Convert to fraction form
957,661.65/1,321,632.59 = 527,940.99/x - Step 3: Cross multiply
957,661.65x = 1,321,632.59 × 527,940.99 - Step 4: Simplify right side
957,661.65x = 697,744,015,341.16 - Step 5: Solve for x
x = 697,744,015,341.16/957,661.65 - Step 6: Final answer
x = 728,591.37
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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.