Finding the Fourth Proportional to 880,278.80, 1,320,418.20 and 480,701.62
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Solution
The fourth proportional to 880,278.80, 1,320,418.20 and 480,701.62 is: 721,052.42
Step by Step Solution
- Step 1: Write the proportion equation
880,278.80 : 1,320,418.20 = 480,701.62 : x - Step 2: Convert to fraction form
880,278.80/1,320,418.20 = 480,701.62/x - Step 3: Cross multiply
880,278.80x = 1,320,418.20 × 480,701.62 - Step 4: Simplify right side
880,278.80x = 634,727,161,215.39 - Step 5: Solve for x
x = 634,727,161,215.39/880,278.80 - Step 6: Final answer
x = 721,052.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.