Finding the Fourth Proportional to 519,753.82, 717,272.04 and 305,048.74
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Solution
The fourth proportional to 519,753.82, 717,272.04 and 305,048.74 is: 420,974.17
Step by Step Solution
- Step 1: Write the proportion equation
519,753.82 : 717,272.04 = 305,048.74 : x - Step 2: Convert to fraction form
519,753.82/717,272.04 = 305,048.74/x - Step 3: Cross multiply
519,753.82x = 717,272.04 × 305,048.74 - Step 4: Simplify right side
519,753.82x = 218,802,932,039.23 - Step 5: Solve for x
x = 218,802,932,039.23/519,753.82 - Step 6: Final answer
x = 420,974.17
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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.