Finding the Fourth Proportional to 852,138.52, 1,175,988.66 and 489,675.92
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Solution
The fourth proportional to 852,138.52, 1,175,988.66 and 489,675.92 is: 675,774.32
Step by Step Solution
- Step 1: Write the proportion equation
852,138.52 : 1,175,988.66 = 489,675.92 : x - Step 2: Convert to fraction form
852,138.52/1,175,988.66 = 489,675.92/x - Step 3: Cross multiply
852,138.52x = 1,175,988.66 × 489,675.92 - Step 4: Simplify right side
852,138.52x = 575,853,328,995.07 - Step 5: Solve for x
x = 575,853,328,995.07/852,138.52 - Step 6: Final answer
x = 675,774.32
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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.