Finding the Fourth Proportional to 814,592.92, 1,221,489.66 and 334,733.80
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Solution
The fourth proportional to 814,592.92, 1,221,489.66 and 334,733.80 is: 501,936.45
Step by Step Solution
- Step 1: Write the proportion equation
814,592.92 : 1,221,489.66 = 334,733.80 : x - Step 2: Convert to fraction form
814,592.92/1,221,489.66 = 334,733.80/x - Step 3: Cross multiply
814,592.92x = 1,221,489.66 × 334,733.80 - Step 4: Simplify right side
814,592.92x = 408,873,875,552.51 - Step 5: Solve for x
x = 408,873,875,552.51/814,592.92 - Step 6: Final answer
x = 501,936.45
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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.