Finding the Fourth Proportional to 743,118.08, 1,025,497.17 and 403,586.33
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Solution
The fourth proportional to 743,118.08, 1,025,497.17 and 403,586.33 is: 556,945.99
Step by Step Solution
- Step 1: Write the proportion equation
743,118.08 : 1,025,497.17 = 403,586.33 : x - Step 2: Convert to fraction form
743,118.08/1,025,497.17 = 403,586.33/x - Step 3: Cross multiply
743,118.08x = 1,025,497.17 × 403,586.33 - Step 4: Simplify right side
743,118.08x = 413,876,634,138.20 - Step 5: Solve for x
x = 413,876,634,138.20/743,118.08 - Step 6: Final answer
x = 556,945.99
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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.