Finding the Fourth Proportional to 814,824.62, 1,124,436.36 and 452,239.12
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Solution
The fourth proportional to 814,824.62, 1,124,436.36 and 452,239.12 is: 624,077.99
Step by Step Solution
- Step 1: Write the proportion equation
814,824.62 : 1,124,436.36 = 452,239.12 : x - Step 2: Convert to fraction form
814,824.62/1,124,436.36 = 452,239.12/x - Step 3: Cross multiply
814,824.62x = 1,124,436.36 × 452,239.12 - Step 4: Simplify right side
814,824.62x = 508,514,109,942.40 - Step 5: Solve for x
x = 508,514,109,942.40/814,824.62 - Step 6: Final answer
x = 624,077.99
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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.