Finding the Fourth Proportional to 842,364.77, 1,162,446.12 and 460,394.28
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Solution
The fourth proportional to 842,364.77, 1,162,446.12 and 460,394.28 is: 635,334.68
Step by Step Solution
- Step 1: Write the proportion equation
842,364.77 : 1,162,446.12 = 460,394.28 : x - Step 2: Convert to fraction form
842,364.77/1,162,446.12 = 460,394.28/x - Step 3: Cross multiply
842,364.77x = 1,162,446.12 × 460,394.28 - Step 4: Simplify right side
842,364.77x = 535,183,544,456.19 - Step 5: Solve for x
x = 535,183,544,456.19/842,364.77 - Step 6: Final answer
x = 635,334.68
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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.