Finding the Fourth Proportional to 1,392,304.01, 2,088,457.83 and 381,434.84
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Solution
The fourth proportional to 1,392,304.01, 2,088,457.83 and 381,434.84 is: 572,152.76
Step by Step Solution
- Step 1: Write the proportion equation
1,392,304.01 : 2,088,457.83 = 381,434.84 : x - Step 2: Convert to fraction form
1,392,304.01/2,088,457.83 = 381,434.84/x - Step 3: Cross multiply
1,392,304.01x = 2,088,457.83 × 381,434.84 - Step 4: Simplify right side
1,392,304.01x = 796,610,575,622.23 - Step 5: Solve for x
x = 796,610,575,622.23/1,392,304.01 - Step 6: Final answer
x = 572,152.76
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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.