Finding the Fourth Proportional to 782,832.84, 1,080,291.05 and 460,563.70
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Solution
The fourth proportional to 782,832.84, 1,080,291.05 and 460,563.70 is: 635,567.15
Step by Step Solution
- Step 1: Write the proportion equation
782,832.84 : 1,080,291.05 = 460,563.70 : x - Step 2: Convert to fraction form
782,832.84/1,080,291.05 = 460,563.70/x - Step 3: Cross multiply
782,832.84x = 1,080,291.05 × 460,563.70 - Step 4: Simplify right side
782,832.84x = 497,542,840,071.02 - Step 5: Solve for x
x = 497,542,840,071.02/782,832.84 - Step 6: Final answer
x = 635,567.15
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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.