Finding the Fourth Proportional to 720,302.24, 1,080,125.04 and 299,326.88
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Solution
The fourth proportional to 720,302.24, 1,080,125.04 and 299,326.88 is: 448,853.88
Step by Step Solution
- Step 1: Write the proportion equation
720,302.24 : 1,080,125.04 = 299,326.88 : x - Step 2: Convert to fraction form
720,302.24/1,080,125.04 = 299,326.88/x - Step 3: Cross multiply
720,302.24x = 1,080,125.04 × 299,326.88 - Step 4: Simplify right side
720,302.24x = 323,310,458,233.08 - Step 5: Solve for x
x = 323,310,458,233.08/720,302.24 - Step 6: Final answer
x = 448,853.88
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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.