Finding the Fourth Proportional to 848,121.78, 1,170,388.20 and 460,927.98
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Solution
The fourth proportional to 848,121.78, 1,170,388.20 and 460,927.98 is: 636,069.82
Step by Step Solution
- Step 1: Write the proportion equation
848,121.78 : 1,170,388.20 = 460,927.98 : x - Step 2: Convert to fraction form
848,121.78/1,170,388.20 = 460,927.98/x - Step 3: Cross multiply
848,121.78x = 1,170,388.20 × 460,927.98 - Step 4: Simplify right side
848,121.78x = 539,464,668,841.84 - Step 5: Solve for x
x = 539,464,668,841.84/848,121.78 - Step 6: Final answer
x = 636,069.82
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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.