Finding the Fourth Proportional to 769,840.92, 1,062,358.29 and 425,670.84
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Solution
The fourth proportional to 769,840.92, 1,062,358.29 and 425,670.84 is: 587,413.50
Step by Step Solution
- Step 1: Write the proportion equation
769,840.92 : 1,062,358.29 = 425,670.84 : x - Step 2: Convert to fraction form
769,840.92/1,062,358.29 = 425,670.84/x - Step 3: Cross multiply
769,840.92x = 1,062,358.29 × 425,670.84 - Step 4: Simplify right side
769,840.92x = 452,214,945,685.26 - Step 5: Solve for x
x = 452,214,945,685.26/769,840.92 - Step 6: Final answer
x = 587,413.50
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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.