Finding the Fourth Proportional to 837,484.20, 1,256,226.30 and 332,165.70
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Solution
The fourth proportional to 837,484.20, 1,256,226.30 and 332,165.70 is: 498,248.55
Step by Step Solution
- Step 1: Write the proportion equation
837,484.20 : 1,256,226.30 = 332,165.70 : x - Step 2: Convert to fraction form
837,484.20/1,256,226.30 = 332,165.70/x - Step 3: Cross multiply
837,484.20x = 1,256,226.30 × 332,165.70 - Step 4: Simplify right side
837,484.20x = 417,275,288,297.91 - Step 5: Solve for x
x = 417,275,288,297.91/837,484.20 - Step 6: Final answer
x = 498,248.55
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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.