Finding the Fourth Proportional to 610,614.21, 842,096.01 and 381,192.68
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Solution
The fourth proportional to 610,614.21, 842,096.01 and 381,192.68 is: 525,701.55
Step by Step Solution
- Step 1: Write the proportion equation
610,614.21 : 842,096.01 = 381,192.68 : x - Step 2: Convert to fraction form
610,614.21/842,096.01 = 381,192.68/x - Step 3: Cross multiply
610,614.21x = 842,096.01 × 381,192.68 - Step 4: Simplify right side
610,614.21x = 321,000,838,403.92 - Step 5: Solve for x
x = 321,000,838,403.92/610,614.21 - Step 6: Final answer
x = 525,701.55
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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.