Finding the Fourth Proportional to 577,072.05, 796,400.66 and 318,943.44
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Solution
The fourth proportional to 577,072.05, 796,400.66 and 318,943.44 is: 440,164.74
Step by Step Solution
- Step 1: Write the proportion equation
577,072.05 : 796,400.66 = 318,943.44 : x - Step 2: Convert to fraction form
577,072.05/796,400.66 = 318,943.44/x - Step 3: Cross multiply
577,072.05x = 796,400.66 × 318,943.44 - Step 4: Simplify right side
577,072.05x = 254,006,765,121.97 - Step 5: Solve for x
x = 254,006,765,121.97/577,072.05 - Step 6: Final answer
x = 440,164.74
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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.