Finding the Fourth Proportional to 816,101.07, 1,126,246.85 and 453,540.21
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Solution
The fourth proportional to 816,101.07, 1,126,246.85 and 453,540.21 is: 625,900.70
Step by Step Solution
- Step 1: Write the proportion equation
816,101.07 : 1,126,246.85 = 453,540.21 : x - Step 2: Convert to fraction form
816,101.07/1,126,246.85 = 453,540.21/x - Step 3: Cross multiply
816,101.07x = 1,126,246.85 × 453,540.21 - Step 4: Simplify right side
816,101.07x = 510,798,230,593.14 - Step 5: Solve for x
x = 510,798,230,593.14/816,101.07 - Step 6: Final answer
x = 625,900.70
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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.