Finding the Fourth Proportional to 703,399.12, 970,668.16 and 401,593.12
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Solution
The fourth proportional to 703,399.12, 970,668.16 and 401,593.12 is: 554,185.59
Step by Step Solution
- Step 1: Write the proportion equation
703,399.12 : 970,668.16 = 401,593.12 : x - Step 2: Convert to fraction form
703,399.12/970,668.16 = 401,593.12/x - Step 3: Cross multiply
703,399.12x = 970,668.16 × 401,593.12 - Step 4: Simplify right side
703,399.12x = 389,813,654,859.06 - Step 5: Solve for x
x = 389,813,654,859.06/703,399.12 - Step 6: Final answer
x = 554,185.59
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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.