Finding the Fourth Proportional to 957,562.21, 1,321,444.74 and 527,857.75
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Solution
The fourth proportional to 957,562.21, 1,321,444.74 and 527,857.75 is: 728,448.60
Step by Step Solution
- Step 1: Write the proportion equation
957,562.21 : 1,321,444.74 = 527,857.75 : x - Step 2: Convert to fraction form
957,562.21/1,321,444.74 = 527,857.75/x - Step 3: Cross multiply
957,562.21x = 1,321,444.74 × 527,857.75 - Step 4: Simplify right side
957,562.21x = 697,534,847,205.74 - Step 5: Solve for x
x = 697,534,847,205.74/957,562.21 - Step 6: Final answer
x = 728,448.60
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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.