Finding the Fourth Proportional to 855,801.36, 1,283,221.81 and 586,234.17
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Solution
The fourth proportional to 855,801.36, 1,283,221.81 and 586,234.17 is: 879,022.29
Step by Step Solution
- Step 1: Write the proportion equation
855,801.36 : 1,283,221.81 = 586,234.17 : x - Step 2: Convert to fraction form
855,801.36/1,283,221.81 = 586,234.17/x - Step 3: Cross multiply
855,801.36x = 1,283,221.81 × 586,234.17 - Step 4: Simplify right side
855,801.36x = 752,268,472,711.25 - Step 5: Solve for x
x = 752,268,472,711.25/855,801.36 - Step 6: Final answer
x = 879,022.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.