Finding the Fourth Proportional to 782,850.97, 1,080,315.93 and 460,581.81
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Solution
The fourth proportional to 782,850.97, 1,080,315.93 and 460,581.81 is: 635,592.07
Step by Step Solution
- Step 1: Write the proportion equation
782,850.97 : 1,080,315.93 = 460,581.81 : x - Step 2: Convert to fraction form
782,850.97/1,080,315.93 = 460,581.81/x - Step 3: Cross multiply
782,850.97x = 1,080,315.93 × 460,581.81 - Step 4: Simplify right side
782,850.97x = 497,573,866,411.23 - Step 5: Solve for x
x = 497,573,866,411.23/782,850.97 - Step 6: Final answer
x = 635,592.07
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1.5x scale
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.