Finding the Fourth Proportional to 782,853.98, 1,080,320.06 and 460,584.80
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Solution
The fourth proportional to 782,853.98, 1,080,320.06 and 460,584.80 is: 635,596.18
Step by Step Solution
- Step 1: Write the proportion equation
782,853.98 : 1,080,320.06 = 460,584.80 : x - Step 2: Convert to fraction form
782,853.98/1,080,320.06 = 460,584.80/x - Step 3: Cross multiply
782,853.98x = 1,080,320.06 × 460,584.80 - Step 4: Simplify right side
782,853.98x = 497,578,998,771.09 - Step 5: Solve for x
x = 497,578,998,771.09/782,853.98 - Step 6: Final answer
x = 635,596.18
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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.