Finding the Fourth Proportional to 738,258.24, 1,018,890.32 and 416,047.53
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Solution
The fourth proportional to 738,258.24, 1,018,890.32 and 416,047.53 is: 574,198.53
Step by Step Solution
- Step 1: Write the proportion equation
738,258.24 : 1,018,890.32 = 416,047.53 : x - Step 2: Convert to fraction form
738,258.24/1,018,890.32 = 416,047.53/x - Step 3: Cross multiply
738,258.24x = 1,018,890.32 × 416,047.53 - Step 4: Simplify right side
738,258.24x = 423,906,798,896.67 - Step 5: Solve for x
x = 423,906,798,896.67/738,258.24 - Step 6: Final answer
x = 574,198.53
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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.