Finding the Fourth Proportional to 823,023.97, 1,135,817.20 and 460,426.20
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Solution
The fourth proportional to 823,023.97, 1,135,817.20 and 460,426.20 is: 635,412.84
Step by Step Solution
- Step 1: Write the proportion equation
823,023.97 : 1,135,817.20 = 460,426.20 : x - Step 2: Convert to fraction form
823,023.97/1,135,817.20 = 460,426.20/x - Step 3: Cross multiply
823,023.97x = 1,135,817.20 × 460,426.20 - Step 4: Simplify right side
823,023.97x = 522,959,994,988.51 - Step 5: Solve for x
x = 522,959,994,988.51/823,023.97 - Step 6: Final answer
x = 635,412.84
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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.