Finding the Fourth Proportional to 815,751.91, 1,125,738.81 and 453,166.45
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Solution
The fourth proportional to 815,751.91, 1,125,738.81 and 453,166.45 is: 625,370.35
Step by Step Solution
- Step 1: Write the proportion equation
815,751.91 : 1,125,738.81 = 453,166.45 : x - Step 2: Convert to fraction form
815,751.91/1,125,738.81 = 453,166.45/x - Step 3: Cross multiply
815,751.91x = 1,125,738.81 × 453,166.45 - Step 4: Simplify right side
815,751.91x = 510,147,057,340.58 - Step 5: Solve for x
x = 510,147,057,340.58/815,751.91 - Step 6: Final answer
x = 625,370.35
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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.