Finding the Fourth Proportional to 670,177.08, 925,785.72 and 609,640.92
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Solution
The fourth proportional to 670,177.08, 925,785.72 and 609,640.92 is: 842,160.79
Step by Step Solution
- Step 1: Write the proportion equation
670,177.08 : 925,785.72 = 609,640.92 : x - Step 2: Convert to fraction form
670,177.08/925,785.72 = 609,640.92/x - Step 3: Cross multiply
670,177.08x = 925,785.72 × 609,640.92 - Step 4: Simplify right side
670,177.08x = 564,396,858,063.66 - Step 5: Solve for x
x = 564,396,858,063.66/670,177.08 - Step 6: Final answer
x = 842,160.79
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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.