Finding the Fourth Proportional to 714,163.23, 1,071,523.68 and 314,523.13
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Solution
The fourth proportional to 714,163.23, 1,071,523.68 and 314,523.13 is: 471,907.50
Step by Step Solution
- Step 1: Write the proportion equation
714,163.23 : 1,071,523.68 = 314,523.13 : x - Step 2: Convert to fraction form
714,163.23/1,071,523.68 = 314,523.13/x - Step 3: Cross multiply
714,163.23x = 1,071,523.68 × 314,523.13 - Step 4: Simplify right side
714,163.23x = 337,018,981,702.72 - Step 5: Solve for x
x = 337,018,981,702.72/714,163.23 - Step 6: Final answer
x = 471,907.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.