Finding the Fourth Proportional to 811,747.66, 1,217,424.67 and 338,174.68
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Solution
The fourth proportional to 811,747.66, 1,217,424.67 and 338,174.68 is: 507,180.02
Step by Step Solution
- Step 1: Write the proportion equation
811,747.66 : 1,217,424.67 = 338,174.68 : x - Step 2: Convert to fraction form
811,747.66/1,217,424.67 = 338,174.68/x - Step 3: Cross multiply
811,747.66x = 1,217,424.67 × 338,174.68 - Step 4: Simplify right side
811,747.66x = 411,702,198,201.36 - Step 5: Solve for x
x = 411,702,198,201.36/811,747.66 - Step 6: Final answer
x = 507,180.02
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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.