Finding the Fourth Proportional to 477,529.88, 658,654.07 and 405,413.55
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Solution
The fourth proportional to 477,529.88, 658,654.07 and 405,413.55 is: 559,184.45
Step by Step Solution
- Step 1: Write the proportion equation
477,529.88 : 658,654.07 = 405,413.55 : x - Step 2: Convert to fraction form
477,529.88/658,654.07 = 405,413.55/x - Step 3: Cross multiply
477,529.88x = 658,654.07 × 405,413.55 - Step 4: Simplify right side
477,529.88x = 267,027,282,713.58 - Step 5: Solve for x
x = 267,027,282,713.58/477,529.88 - Step 6: Final answer
x = 559,184.45
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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.