Finding the Fourth Proportional to 554,953.63, 765,836.69 and 300,304.81
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Solution
The fourth proportional to 554,953.63, 765,836.69 and 300,304.81 is: 414,421.01
Step by Step Solution
- Step 1: Write the proportion equation
554,953.63 : 765,836.69 = 300,304.81 : x - Step 2: Convert to fraction form
554,953.63/765,836.69 = 300,304.81/x - Step 3: Cross multiply
554,953.63x = 765,836.69 × 300,304.81 - Step 4: Simplify right side
554,953.63x = 229,984,441,681.48 - Step 5: Solve for x
x = 229,984,441,681.48/554,953.63 - Step 6: Final answer
x = 414,421.01
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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.