Finding the Fourth Proportional to 775,552.68, 1,070,131.66 and 431,343.36
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Solution
The fourth proportional to 775,552.68, 1,070,131.66 and 431,343.36 is: 595,180.96
Step by Step Solution
- Step 1: Write the proportion equation
775,552.68 : 1,070,131.66 = 431,343.36 : x - Step 2: Convert to fraction form
775,552.68/1,070,131.66 = 431,343.36/x - Step 3: Cross multiply
775,552.68x = 1,070,131.66 × 431,343.36 - Step 4: Simplify right side
775,552.68x = 461,594,185,866.78 - Step 5: Solve for x
x = 461,594,185,866.78/775,552.68 - Step 6: Final answer
x = 595,180.96
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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.