Finding the Fourth Proportional to 786,122.87, 1,084,853.23 and 446,609.75
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Solution
The fourth proportional to 786,122.87, 1,084,853.23 and 446,609.75 is: 616,323.54
Step by Step Solution
- Step 1: Write the proportion equation
786,122.87 : 1,084,853.23 = 446,609.75 : x - Step 2: Convert to fraction form
786,122.87/1,084,853.23 = 446,609.75/x - Step 3: Cross multiply
786,122.87x = 1,084,853.23 × 446,609.75 - Step 4: Simplify right side
786,122.87x = 484,506,023,296.20 - Step 5: Solve for x
x = 484,506,023,296.20/786,122.87 - Step 6: Final answer
x = 616,323.54
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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.