Finding the Fourth Proportional to 782,767.12, 1,080,200.36 and 460,497.97
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Solution
The fourth proportional to 782,767.12, 1,080,200.36 and 460,497.97 is: 635,476.45
Step by Step Solution
- Step 1: Write the proportion equation
782,767.12 : 1,080,200.36 = 460,497.97 : x - Step 2: Convert to fraction form
782,767.12/1,080,200.36 = 460,497.97/x - Step 3: Cross multiply
782,767.12x = 1,080,200.36 × 460,497.97 - Step 4: Simplify right side
782,767.12x = 497,430,070,670.78 - Step 5: Solve for x
x = 497,430,070,670.78/782,767.12 - Step 6: Final answer
x = 635,476.45
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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.