Finding the Fourth Proportional to 892,908.96, 1,232,229.27 and 485,011.59
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Solution
The fourth proportional to 892,908.96, 1,232,229.27 and 485,011.59 is: 669,324.09
Step by Step Solution
- Step 1: Write the proportion equation
892,908.96 : 1,232,229.27 = 485,011.59 : x - Step 2: Convert to fraction form
892,908.96/1,232,229.27 = 485,011.59/x - Step 3: Cross multiply
892,908.96x = 1,232,229.27 × 485,011.59 - Step 4: Simplify right side
892,908.96x = 597,645,477,487.24 - Step 5: Solve for x
x = 597,645,477,487.24/892,908.96 - Step 6: Final answer
x = 669,324.09
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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.