Finding the Fourth Proportional to 798,988.37, 1,102,597.40 and 436,412.46
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Solution
The fourth proportional to 798,988.37, 1,102,597.40 and 436,412.46 is: 602,245.62
Step by Step Solution
- Step 1: Write the proportion equation
798,988.37 : 1,102,597.40 = 436,412.46 : x - Step 2: Convert to fraction form
798,988.37/1,102,597.40 = 436,412.46/x - Step 3: Cross multiply
798,988.37x = 1,102,597.40 × 436,412.46 - Step 4: Simplify right side
798,988.37x = 481,187,243,723.60 - Step 5: Solve for x
x = 481,187,243,723.60/798,988.37 - Step 6: Final answer
x = 602,245.62
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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.