Finding the Fourth Proportional to 880,504.83, 1,215,125.55 and 498,523.41
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Solution
The fourth proportional to 880,504.83, 1,215,125.55 and 498,523.41 is: 687,978.66
Step by Step Solution
- Step 1: Write the proportion equation
880,504.83 : 1,215,125.55 = 498,523.41 : x - Step 2: Convert to fraction form
880,504.83/1,215,125.55 = 498,523.41/x - Step 3: Cross multiply
880,504.83x = 1,215,125.55 × 498,523.41 - Step 4: Simplify right side
880,504.83x = 605,768,532,764.13 - Step 5: Solve for x
x = 605,768,532,764.13/880,504.83 - Step 6: Final answer
x = 687,978.66
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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.