Finding the Fourth Proportional to 528,576.66, 729,425.42 and 299,129.68
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Solution
The fourth proportional to 528,576.66, 729,425.42 and 299,129.68 is: 412,793.09
Step by Step Solution
- Step 1: Write the proportion equation
528,576.66 : 729,425.42 = 299,129.68 : x - Step 2: Convert to fraction form
528,576.66/729,425.42 = 299,129.68/x - Step 3: Cross multiply
528,576.66x = 729,425.42 × 299,129.68 - Step 4: Simplify right side
528,576.66x = 218,192,792,468.47 - Step 5: Solve for x
x = 218,192,792,468.47/528,576.66 - Step 6: Final answer
x = 412,793.09
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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.