Finding the Fourth Proportional to 512,393.02, 707,252.52 and 297,629.62
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Solution
The fourth proportional to 512,393.02, 707,252.52 and 297,629.62 is: 410,816.09
Step by Step Solution
- Step 1: Write the proportion equation
512,393.02 : 707,252.52 = 297,629.62 : x - Step 2: Convert to fraction form
512,393.02/707,252.52 = 297,629.62/x - Step 3: Cross multiply
512,393.02x = 707,252.52 × 297,629.62 - Step 4: Simplify right side
512,393.02x = 210,499,298,771.64 - Step 5: Solve for x
x = 210,499,298,771.64/512,393.02 - Step 6: Final answer
x = 410,816.09
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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.