Finding the Fourth Proportional to 866,598.20, 1,195,883.14 and 479,403.62
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Solution
The fourth proportional to 866,598.20, 1,195,883.14 and 479,403.62 is: 661,564.62
Step by Step Solution
- Step 1: Write the proportion equation
866,598.20 : 1,195,883.14 = 479,403.62 : x - Step 2: Convert to fraction form
866,598.20/1,195,883.14 = 479,403.62/x - Step 3: Cross multiply
866,598.20x = 1,195,883.14 × 479,403.62 - Step 4: Simplify right side
866,598.20x = 573,310,706,412.97 - Step 5: Solve for x
x = 573,310,706,412.97/866,598.20 - Step 6: Final answer
x = 661,564.62
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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.