Finding the Fourth Proportional to 527,228.91, 727,576.29 and 285,511.75
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Solution
The fourth proportional to 527,228.91, 727,576.29 and 285,511.75 is: 394,006.42
Step by Step Solution
- Step 1: Write the proportion equation
527,228.91 : 727,576.29 = 285,511.75 : x - Step 2: Convert to fraction form
527,228.91/727,576.29 = 285,511.75/x - Step 3: Cross multiply
527,228.91x = 727,576.29 × 285,511.75 - Step 4: Simplify right side
527,228.91x = 207,731,574,750.97 - Step 5: Solve for x
x = 207,731,574,750.97/527,228.91 - Step 6: Final answer
x = 394,006.42
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1.5x scale
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.