Finding the Fourth Proportional to 751,545.72, 1,126,136.79 and 581,183.28
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Solution
The fourth proportional to 751,545.72, 1,126,136.79 and 581,183.28 is: 870,861.02
Step by Step Solution
- Step 1: Write the proportion equation
751,545.72 : 1,126,136.79 = 581,183.28 : x - Step 2: Convert to fraction form
751,545.72/1,126,136.79 = 581,183.28/x - Step 3: Cross multiply
751,545.72x = 1,126,136.79 × 581,183.28 - Step 4: Simplify right side
751,545.72x = 654,491,873,340.87 - Step 5: Solve for x
x = 654,491,873,340.87/751,545.72 - Step 6: Final answer
x = 870,861.02
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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.