Finding the Fourth Proportional to 554,568.68, 765,304.80 and 299,919.80
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Solution
The fourth proportional to 554,568.68, 765,304.80 and 299,919.80 is: 413,889.34
Step by Step Solution
- Step 1: Write the proportion equation
554,568.68 : 765,304.80 = 299,919.80 : x - Step 2: Convert to fraction form
554,568.68/765,304.80 = 299,919.80/x - Step 3: Cross multiply
554,568.68x = 765,304.80 × 299,919.80 - Step 4: Simplify right side
554,568.68x = 229,530,062,555.04 - Step 5: Solve for x
x = 229,530,062,555.04/554,568.68 - Step 6: Final answer
x = 413,889.34
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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.