Finding the Fourth Proportional to 892,901.70, 1,232,213.58 and 485,011.44
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Solution
The fourth proportional to 892,901.70, 1,232,213.58 and 485,011.44 is: 669,320.80
Step by Step Solution
- Step 1: Write the proportion equation
892,901.70 : 1,232,213.58 = 485,011.44 : x - Step 2: Convert to fraction form
892,901.70/1,232,213.58 = 485,011.44/x - Step 3: Cross multiply
892,901.70x = 1,232,213.58 × 485,011.44 - Step 4: Simplify right side
892,901.70x = 597,637,682,823.36 - Step 5: Solve for x
x = 597,637,682,823.36/892,901.70 - Step 6: Final answer
x = 669,320.80
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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.