Finding the Fourth Proportional to 599,658.05, 827,448.17 and 385,088.76
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Solution
The fourth proportional to 599,658.05, 827,448.17 and 385,088.76 is: 531,371.15
Step by Step Solution
- Step 1: Write the proportion equation
599,658.05 : 827,448.17 = 385,088.76 : x - Step 2: Convert to fraction form
599,658.05/827,448.17 = 385,088.76/x - Step 3: Cross multiply
599,658.05x = 827,448.17 × 385,088.76 - Step 4: Simplify right side
599,658.05x = 318,640,987,824.13 - Step 5: Solve for x
x = 318,640,987,824.13/599,658.05 - Step 6: Final answer
x = 531,371.15
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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.