Finding the Fourth Proportional to 957,421.80, 1,436,132.70 and 584,173.80
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Solution
The fourth proportional to 957,421.80, 1,436,132.70 and 584,173.80 is: 876,260.70
Step by Step Solution
- Step 1: Write the proportion equation
957,421.80 : 1,436,132.70 = 584,173.80 : x - Step 2: Convert to fraction form
957,421.80/1,436,132.70 = 584,173.80/x - Step 3: Cross multiply
957,421.80x = 1,436,132.70 × 584,173.80 - Step 4: Simplify right side
957,421.80x = 838,951,096,663.26 - Step 5: Solve for x
x = 838,951,096,663.26/957,421.80 - Step 6: Final answer
x = 876,260.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.