Finding the Fourth Proportional to 811,471.26, 1,217,317.66 and 338,045.91
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Solution
The fourth proportional to 811,471.26, 1,217,317.66 and 338,045.91 is: 507,115.00
Step by Step Solution
- Step 1: Write the proportion equation
811,471.26 : 1,217,317.66 = 338,045.91 : x - Step 2: Convert to fraction form
811,471.26/1,217,317.66 = 338,045.91/x - Step 3: Cross multiply
811,471.26x = 1,217,317.66 × 338,045.91 - Step 4: Simplify right side
811,471.26x = 411,509,252,625.22 - Step 5: Solve for x
x = 411,509,252,625.22/811,471.26 - Step 6: Final answer
x = 507,115.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.