Finding the Fourth Proportional to 816,125.08, 1,126,413.84 and 521,586.40
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Solution
The fourth proportional to 816,125.08, 1,126,413.84 and 521,586.40 is: 719,892.27
Step by Step Solution
- Step 1: Write the proportion equation
816,125.08 : 1,126,413.84 = 521,586.40 : x - Step 2: Convert to fraction form
816,125.08/1,126,413.84 = 521,586.40/x - Step 3: Cross multiply
816,125.08x = 1,126,413.84 × 521,586.40 - Step 4: Simplify right side
816,125.08x = 587,522,139,715.78 - Step 5: Solve for x
x = 587,522,139,715.78/816,125.08 - Step 6: Final answer
x = 719,892.27
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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.