Finding the Fourth Proportional to 872,701.44, 1,204,335.18 and 490,724.88
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Solution
The fourth proportional to 872,701.44, 1,204,335.18 and 490,724.88 is: 677,204.38
Step by Step Solution
- Step 1: Write the proportion equation
872,701.44 : 1,204,335.18 = 490,724.88 : x - Step 2: Convert to fraction form
872,701.44/1,204,335.18 = 490,724.88/x - Step 3: Cross multiply
872,701.44x = 1,204,335.18 × 490,724.88 - Step 4: Simplify right side
872,701.44x = 590,997,236,685.28 - Step 5: Solve for x
x = 590,997,236,685.28/872,701.44 - Step 6: Final answer
x = 677,204.38
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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.