Finding the Fourth Proportional to 858,785.28, 1,183,174.02 and 664,524.96
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Solution
The fourth proportional to 858,785.28, 1,183,174.02 and 664,524.96 is: 915,535.80
Step by Step Solution
- Step 1: Write the proportion equation
858,785.28 : 1,183,174.02 = 664,524.96 : x - Step 2: Convert to fraction form
858,785.28/1,183,174.02 = 664,524.96/x - Step 3: Cross multiply
858,785.28x = 1,183,174.02 × 664,524.96 - Step 4: Simplify right side
858,785.28x = 786,248,668,313.54 - Step 5: Solve for x
x = 786,248,668,313.54/858,785.28 - Step 6: Final answer
x = 915,535.80
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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.