Finding the Fourth Proportional to 528,514.11, 729,044.46 and 337,311.99
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Solution
The fourth proportional to 528,514.11, 729,044.46 and 337,311.99 is: 465,295.88
Step by Step Solution
- Step 1: Write the proportion equation
528,514.11 : 729,044.46 = 337,311.99 : x - Step 2: Convert to fraction form
528,514.11/729,044.46 = 337,311.99/x - Step 3: Cross multiply
528,514.11x = 729,044.46 × 337,311.99 - Step 4: Simplify right side
528,514.11x = 245,915,435,914.52 - Step 5: Solve for x
x = 245,915,435,914.52/528,514.11 - Step 6: Final answer
x = 465,295.88
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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.