Finding the Fourth Proportional to 706,593.20, 991,718.80 and 706,593.20
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Solution
The fourth proportional to 706,593.20, 991,718.80 and 706,593.20 is: 991,718.80
Step by Step Solution
- Step 1: Write the proportion equation
706,593.20 : 991,718.80 = 706,593.20 : x - Step 2: Convert to fraction form
706,593.20/991,718.80 = 706,593.20/x - Step 3: Cross multiply
706,593.20x = 991,718.80 × 706,593.20 - Step 4: Simplify right side
706,593.20x = 700,741,760,392.16 - Step 5: Solve for x
x = 700,741,760,392.16/706,593.20 - Step 6: Final answer
x = 991,718.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.