Finding the Fourth Proportional to 957,955.26, 1,321,949.98 and 528,235.28
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Solution
The fourth proportional to 957,955.26, 1,321,949.98 and 528,235.28 is: 728,949.09
Step by Step Solution
- Step 1: Write the proportion equation
957,955.26 : 1,321,949.98 = 528,235.28 : x - Step 2: Convert to fraction form
957,955.26/1,321,949.98 = 528,235.28/x - Step 3: Cross multiply
957,955.26x = 1,321,949.98 × 528,235.28 - Step 4: Simplify right side
957,955.26x = 698,300,617,831.29 - Step 5: Solve for x
x = 698,300,617,831.29/957,955.26 - Step 6: Final answer
x = 728,949.09
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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.