Finding the Fourth Proportional to 987,218.44, 1,480,827.67 and 239,264.44
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Solution
The fourth proportional to 987,218.44, 1,480,827.67 and 239,264.44 is: 358,896.66
Step by Step Solution
- Step 1: Write the proportion equation
987,218.44 : 1,480,827.67 = 239,264.44 : x - Step 2: Convert to fraction form
987,218.44/1,480,827.67 = 239,264.44/x - Step 3: Cross multiply
987,218.44x = 1,480,827.67 × 239,264.44 - Step 4: Simplify right side
987,218.44x = 354,309,398,898.83 - Step 5: Solve for x
x = 354,309,398,898.83/987,218.44 - Step 6: Final answer
x = 358,896.66
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Similar ratio
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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.