Finding the Fourth Proportional to 842,394.23, 1,162,486.94 and 460,423.74
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Solution
The fourth proportional to 842,394.23, 1,162,486.94 and 460,423.74 is: 635,375.42
Step by Step Solution
- Step 1: Write the proportion equation
842,394.23 : 1,162,486.94 = 460,423.74 : x - Step 2: Convert to fraction form
842,394.23/1,162,486.94 = 460,423.74/x - Step 3: Cross multiply
842,394.23x = 1,162,486.94 × 460,423.74 - Step 4: Simplify right side
842,394.23x = 535,236,589,263.05 - Step 5: Solve for x
x = 535,236,589,263.05/842,394.23 - Step 6: Final answer
x = 635,375.42
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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.