Finding the Fourth Proportional to 554,979.36, 765,876.92 and 300,335.84
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Solution
The fourth proportional to 554,979.36, 765,876.92 and 300,335.84 is: 414,466.38
Step by Step Solution
- Step 1: Write the proportion equation
554,979.36 : 765,876.92 = 300,335.84 : x - Step 2: Convert to fraction form
554,979.36/765,876.92 = 300,335.84/x - Step 3: Cross multiply
554,979.36x = 765,876.92 × 300,335.84 - Step 4: Simplify right side
554,979.36x = 230,020,288,104.81 - Step 5: Solve for x
x = 230,020,288,104.81/554,979.36 - Step 6: Final answer
x = 414,466.38
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1.5x scale
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.