Finding the Fourth Proportional to 1,008,260.65, 1,391,382.17 and 549,378.99
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Solution
The fourth proportional to 1,008,260.65, 1,391,382.17 and 549,378.99 is: 758,133.46
Step by Step Solution
- Step 1: Write the proportion equation
1,008,260.65 : 1,391,382.17 = 549,378.99 : x - Step 2: Convert to fraction form
1,008,260.65/1,391,382.17 = 549,378.99/x - Step 3: Cross multiply
1,008,260.65x = 1,391,382.17 × 549,378.99 - Step 4: Simplify right side
1,008,260.65x = 764,396,136,545.32 - Step 5: Solve for x
x = 764,396,136,545.32/1,008,260.65 - Step 6: Final answer
x = 758,133.46
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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.