Finding the Fourth Proportional to 763,948.23, 1,054,186.85 and 441,679.09
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Solution
The fourth proportional to 763,948.23, 1,054,186.85 and 441,679.09 is: 609,481.47
Step by Step Solution
- Step 1: Write the proportion equation
763,948.23 : 1,054,186.85 = 441,679.09 : x - Step 2: Convert to fraction form
763,948.23/1,054,186.85 = 441,679.09/x - Step 3: Cross multiply
763,948.23x = 1,054,186.85 × 441,679.09 - Step 4: Simplify right side
763,948.23x = 465,612,288,597.97 - Step 5: Solve for x
x = 465,612,288,597.97/763,948.23 - Step 6: Final answer
x = 609,481.47
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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.