Finding the Fourth Proportional to 858,836.48, 1,282,471.36 and 701,377.28
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Solution
The fourth proportional to 858,836.48, 1,282,471.36 and 701,377.28 is: 1,047,342.88
Step by Step Solution
- Step 1: Write the proportion equation
858,836.48 : 1,282,471.36 = 701,377.28 : x - Step 2: Convert to fraction form
858,836.48/1,282,471.36 = 701,377.28/x - Step 3: Cross multiply
858,836.48x = 1,282,471.36 × 701,377.28 - Step 4: Simplify right side
858,836.48x = 899,496,274,154.70 - Step 5: Solve for x
x = 899,496,274,154.70/858,836.48 - Step 6: Final answer
x = 1,047,342.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.