Finding the Fourth Proportional to 738,275.80, 1,107,413.70 and 365,027.80
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Solution
The fourth proportional to 738,275.80, 1,107,413.70 and 365,027.80 is: 547,541.70
Step by Step Solution
- Step 1: Write the proportion equation
738,275.80 : 1,107,413.70 = 365,027.80 : x - Step 2: Convert to fraction form
738,275.80/1,107,413.70 = 365,027.80/x - Step 3: Cross multiply
738,275.80x = 1,107,413.70 × 365,027.80 - Step 4: Simplify right side
738,275.80x = 404,236,786,600.86 - Step 5: Solve for x
x = 404,236,786,600.86/738,275.80 - Step 6: Final answer
x = 547,541.70
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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.