Finding the Fourth Proportional to 906,785.97, 1,251,364.59 and 498,879.02
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Solution
The fourth proportional to 906,785.97, 1,251,364.59 and 498,879.02 is: 688,453.01
Step by Step Solution
- Step 1: Write the proportion equation
906,785.97 : 1,251,364.59 = 498,879.02 : x - Step 2: Convert to fraction form
906,785.97/1,251,364.59 = 498,879.02/x - Step 3: Cross multiply
906,785.97x = 1,251,364.59 × 498,879.02 - Step 4: Simplify right side
906,785.97x = 624,279,534,065.08 - Step 5: Solve for x
x = 624,279,534,065.08/906,785.97 - Step 6: Final answer
x = 688,453.01
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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.