Finding the Fourth Proportional to 816,548.97, 1,126,773.57 and 453,950.76
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Solution
The fourth proportional to 816,548.97, 1,126,773.57 and 453,950.76 is: 626,416.46
Step by Step Solution
- Step 1: Write the proportion equation
816,548.97 : 1,126,773.57 = 453,950.76 : x - Step 2: Convert to fraction form
816,548.97/1,126,773.57 = 453,950.76/x - Step 3: Cross multiply
816,548.97x = 1,126,773.57 × 453,950.76 - Step 4: Simplify right side
816,548.97x = 511,499,718,449.41 - Step 5: Solve for x
x = 511,499,718,449.41/816,548.97 - Step 6: Final answer
x = 626,416.46
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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.