Finding the Fourth Proportional to 811,450.17, 1,217,285.99 and 338,024.81
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Solution
The fourth proportional to 811,450.17, 1,217,285.99 and 338,024.81 is: 507,083.35
Step by Step Solution
- Step 1: Write the proportion equation
811,450.17 : 1,217,285.99 = 338,024.81 : x - Step 2: Convert to fraction form
811,450.17/1,217,285.99 = 338,024.81/x - Step 3: Cross multiply
811,450.17x = 1,217,285.99 × 338,024.81 - Step 4: Simplify right side
811,450.17x = 411,472,868,106.10 - Step 5: Solve for x
x = 411,472,868,106.10/811,450.17 - Step 6: Final answer
x = 507,083.35
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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.