Finding the Fourth Proportional to 436,413.51, 601,909.11 and 298,674.09
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Solution
The fourth proportional to 436,413.51, 601,909.11 and 298,674.09 is: 411,936.50
Step by Step Solution
- Step 1: Write the proportion equation
436,413.51 : 601,909.11 = 298,674.09 : x - Step 2: Convert to fraction form
436,413.51/601,909.11 = 298,674.09/x - Step 3: Cross multiply
436,413.51x = 601,909.11 × 298,674.09 - Step 4: Simplify right side
436,413.51x = 179,774,655,691.96 - Step 5: Solve for x
x = 179,774,655,691.96/436,413.51 - Step 6: Final answer
x = 411,936.50
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1.5x scale
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.