Finding the Fourth Proportional to 746,665.80, 1,119,998.70 and 248,029.80
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Solution
The fourth proportional to 746,665.80, 1,119,998.70 and 248,029.80 is: 372,044.70
Step by Step Solution
- Step 1: Write the proportion equation
746,665.80 : 1,119,998.70 = 248,029.80 : x - Step 2: Convert to fraction form
746,665.80/1,119,998.70 = 248,029.80/x - Step 3: Cross multiply
746,665.80x = 1,119,998.70 × 248,029.80 - Step 4: Simplify right side
746,665.80x = 277,793,053,561.26 - Step 5: Solve for x
x = 277,793,053,561.26/746,665.80 - Step 6: Final answer
x = 372,044.70
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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.