Finding the Fourth Proportional to 521,920.97, 720,252.30 and 304,258.88
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Solution
The fourth proportional to 521,920.97, 720,252.30 and 304,258.88 is: 419,878.05
Step by Step Solution
- Step 1: Write the proportion equation
521,920.97 : 720,252.30 = 304,258.88 : x - Step 2: Convert to fraction form
521,920.97/720,252.30 = 304,258.88/x - Step 3: Cross multiply
521,920.97x = 720,252.30 × 304,258.88 - Step 4: Simplify right side
521,920.97x = 219,143,161,057.03 - Step 5: Solve for x
x = 219,143,161,057.03/521,920.97 - Step 6: Final answer
x = 419,878.05
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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.