Finding the Fourth Proportional to 842,277.87, 1,162,346.49 and 460,304.82
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Solution
The fourth proportional to 842,277.87, 1,162,346.49 and 460,304.82 is: 635,222.31
Step by Step Solution
- Step 1: Write the proportion equation
842,277.87 : 1,162,346.49 = 460,304.82 : x - Step 2: Convert to fraction form
842,277.87/1,162,346.49 = 460,304.82/x - Step 3: Cross multiply
842,277.87x = 1,162,346.49 × 460,304.82 - Step 4: Simplify right side
842,277.87x = 535,033,691,857.08 - Step 5: Solve for x
x = 535,033,691,857.08/842,277.87 - Step 6: Final answer
x = 635,222.31
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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.