Finding the Fourth Proportional to 816,477.95, 1,126,777.98 and 453,907.82
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Solution
The fourth proportional to 816,477.95, 1,126,777.98 and 453,907.82 is: 626,414.14
Step by Step Solution
- Step 1: Write the proportion equation
816,477.95 : 1,126,777.98 = 453,907.82 : x - Step 2: Convert to fraction form
816,477.95/1,126,777.98 = 453,907.82/x - Step 3: Cross multiply
816,477.95x = 1,126,777.98 × 453,907.82 - Step 4: Simplify right side
816,477.95x = 511,453,330,891.91 - Step 5: Solve for x
x = 511,453,330,891.91/816,477.95 - Step 6: Final answer
x = 626,414.14
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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.