Finding the Fourth Proportional to 541,283.20, 811,924.80 and 512,252.80
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Solution
The fourth proportional to 541,283.20, 811,924.80 and 512,252.80 is: 768,379.20
Step by Step Solution
- Step 1: Write the proportion equation
541,283.20 : 811,924.80 = 512,252.80 : x - Step 2: Convert to fraction form
541,283.20/811,924.80 = 512,252.80/x - Step 3: Cross multiply
541,283.20x = 811,924.80 × 512,252.80 - Step 4: Simplify right side
541,283.20x = 415,910,752,189.44 - Step 5: Solve for x
x = 415,910,752,189.44/541,283.20 - Step 6: Final answer
x = 768,379.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.