Finding the Fourth Proportional to 801,616.36, 1,203,234.84 and 711,025.84
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Solution
The fourth proportional to 801,616.36, 1,203,234.84 and 711,025.84 is: 1,067,257.49
Step by Step Solution
- Step 1: Write the proportion equation
801,616.36 : 1,203,234.84 = 711,025.84 : x - Step 2: Convert to fraction form
801,616.36/1,203,234.84 = 711,025.84/x - Step 3: Cross multiply
801,616.36x = 1,203,234.84 × 711,025.84 - Step 4: Simplify right side
801,616.36x = 855,531,062,828.27 - Step 5: Solve for x
x = 855,531,062,828.27/801,616.36 - Step 6: Final answer
x = 1,067,257.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.