Finding the Fourth Proportional to 775,496.21, 1,069,658.76 and 503,077.26
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Solution
The fourth proportional to 775,496.21, 1,069,658.76 and 503,077.26 is: 693,905.39
Step by Step Solution
- Step 1: Write the proportion equation
775,496.21 : 1,069,658.76 = 503,077.26 : x - Step 2: Convert to fraction form
775,496.21/1,069,658.76 = 503,077.26/x - Step 3: Cross multiply
775,496.21x = 1,069,658.76 × 503,077.26 - Step 4: Simplify right side
775,496.21x = 538,120,998,115.80 - Step 5: Solve for x
x = 538,120,998,115.80/775,496.21 - Step 6: Final answer
x = 693,905.39
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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.