Finding the Fourth Proportional to 560,485.80, 773,489.04 and 305,850.96
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Solution
The fourth proportional to 560,485.80, 773,489.04 and 305,850.96 is: 422,084.49
Step by Step Solution
- Step 1: Write the proportion equation
560,485.80 : 773,489.04 = 305,850.96 : x - Step 2: Convert to fraction form
560,485.80/773,489.04 = 305,850.96/x - Step 3: Cross multiply
560,485.80x = 773,489.04 × 305,850.96 - Step 4: Simplify right side
560,485.80x = 236,572,365,433.48 - Step 5: Solve for x
x = 236,572,365,433.48/560,485.80 - Step 6: Final answer
x = 422,084.49
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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.