Finding the Fourth Proportional to 677,479.26, 1,016,612.44 and 303,502.26
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Solution
The fourth proportional to 677,479.26, 1,016,612.44 and 303,502.26 is: 455,429.70
Step by Step Solution
- Step 1: Write the proportion equation
677,479.26 : 1,016,612.44 = 303,502.26 : x - Step 2: Convert to fraction form
677,479.26/1,016,612.44 = 303,502.26/x - Step 3: Cross multiply
677,479.26x = 1,016,612.44 × 303,502.26 - Step 4: Simplify right side
677,479.26x = 308,544,173,084.11 - Step 5: Solve for x
x = 308,544,173,084.11/677,479.26 - Step 6: Final answer
x = 455,429.70
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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.