Finding the Fourth Proportional to 815,711.51, 1,125,643.69 and 453,157.49
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Solution
The fourth proportional to 815,711.51, 1,125,643.69 and 453,157.49 is: 625,336.11
Step by Step Solution
- Step 1: Write the proportion equation
815,711.51 : 1,125,643.69 = 453,157.49 : x - Step 2: Convert to fraction form
815,711.51/1,125,643.69 = 453,157.49/x - Step 3: Cross multiply
815,711.51x = 1,125,643.69 × 453,157.49 - Step 4: Simplify right side
815,711.51x = 510,093,863,694.54 - Step 5: Solve for x
x = 510,093,863,694.54/815,711.51 - Step 6: Final answer
x = 625,336.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.