Finding the Fourth Proportional to 987,259.60, 1,480,944.81 and 277,232.29
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Solution
The fourth proportional to 987,259.60, 1,480,944.81 and 277,232.29 is: 415,863.99
Step by Step Solution
- Step 1: Write the proportion equation
987,259.60 : 1,480,944.81 = 277,232.29 : x - Step 2: Convert to fraction form
987,259.60/1,480,944.81 = 277,232.29/x - Step 3: Cross multiply
987,259.60x = 1,480,944.81 × 277,232.29 - Step 4: Simplify right side
987,259.60x = 410,565,721,039.92 - Step 5: Solve for x
x = 410,565,721,039.92/987,259.60 - Step 6: Final answer
x = 415,863.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.