Finding the Fourth Proportional to 957,752.52, 1,321,758.03 and 528,031.99
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Solution
The fourth proportional to 957,752.52, 1,321,758.03 and 528,031.99 is: 728,716.98
Step by Step Solution
- Step 1: Write the proportion equation
957,752.52 : 1,321,758.03 = 528,031.99 : x - Step 2: Convert to fraction form
957,752.52/1,321,758.03 = 528,031.99/x - Step 3: Cross multiply
957,752.52x = 1,321,758.03 × 528,031.99 - Step 4: Simplify right side
957,752.52x = 697,930,522,879.38 - Step 5: Solve for x
x = 697,930,522,879.38/957,752.52 - Step 6: Final answer
x = 728,716.98
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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.