Finding the Fourth Proportional to 786,117.24, 1,084,845.42 and 446,604.12
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Solution
The fourth proportional to 786,117.24, 1,084,845.42 and 446,604.12 is: 616,315.75
Step by Step Solution
- Step 1: Write the proportion equation
786,117.24 : 1,084,845.42 = 446,604.12 : x - Step 2: Convert to fraction form
786,117.24/1,084,845.42 = 446,604.12/x - Step 3: Cross multiply
786,117.24x = 1,084,845.42 × 446,604.12 - Step 4: Simplify right side
786,117.24x = 484,496,434,135.13 - Step 5: Solve for x
x = 484,496,434,135.13/786,117.24 - Step 6: Final answer
x = 616,315.75
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1.5x scale
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.