Finding the Fourth Proportional to 906,117.09, 1,250,409.60 and 498,216.09
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Solution
The fourth proportional to 906,117.09, 1,250,409.60 and 498,216.09 is: 687,520.62
Step by Step Solution
- Step 1: Write the proportion equation
906,117.09 : 1,250,409.60 = 498,216.09 : x - Step 2: Convert to fraction form
906,117.09/1,250,409.60 = 498,216.09/x - Step 3: Cross multiply
906,117.09x = 1,250,409.60 × 498,216.09 - Step 4: Simplify right side
906,117.09x = 622,974,181,810.46 - Step 5: Solve for x
x = 622,974,181,810.46/906,117.09 - Step 6: Final answer
x = 687,520.62
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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.