Finding the Fourth Proportional to 811,545.39, 1,216,526.97 and 338,366.07
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Solution
The fourth proportional to 811,545.39, 1,216,526.97 and 338,366.07 is: 507,219.26
Step by Step Solution
- Step 1: Write the proportion equation
811,545.39 : 1,216,526.97 = 338,366.07 : x - Step 2: Convert to fraction form
811,545.39/1,216,526.97 = 338,366.07/x - Step 3: Cross multiply
811,545.39x = 1,216,526.97 × 338,366.07 - Step 4: Simplify right side
811,545.39x = 411,631,449,887.91 - Step 5: Solve for x
x = 411,631,449,887.91/811,545.39 - Step 6: Final answer
x = 507,219.26
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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.