Finding the Fourth Proportional to 816,115.24, 1,126,216.60 and 453,529.80
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Solution
The fourth proportional to 816,115.24, 1,126,216.60 and 453,529.80 is: 625,858.66
Step by Step Solution
- Step 1: Write the proportion equation
816,115.24 : 1,126,216.60 = 453,529.80 : x - Step 2: Convert to fraction form
816,115.24/1,126,216.60 = 453,529.80/x - Step 3: Cross multiply
816,115.24x = 1,126,216.60 × 453,529.80 - Step 4: Simplify right side
816,115.24x = 510,772,789,354.68 - Step 5: Solve for x
x = 510,772,789,354.68/816,115.24 - Step 6: Final answer
x = 625,858.66
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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.