Finding the Fourth Proportional to 720,877.26, 1,081,480.14 and 383,740.27
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Solution
The fourth proportional to 720,877.26, 1,081,480.14 and 383,740.27 is: 575,697.84
Step by Step Solution
- Step 1: Write the proportion equation
720,877.26 : 1,081,480.14 = 383,740.27 : x - Step 2: Convert to fraction form
720,877.26/1,081,480.14 = 383,740.27/x - Step 3: Cross multiply
720,877.26x = 1,081,480.14 × 383,740.27 - Step 4: Simplify right side
720,877.26x = 415,007,480,923.24 - Step 5: Solve for x
x = 415,007,480,923.24/720,877.26 - Step 6: Final answer
x = 575,697.84
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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.