Finding the Fourth Proportional to 837,853.20, 1,256,779.80 and 276,887.70
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Solution
The fourth proportional to 837,853.20, 1,256,779.80 and 276,887.70 is: 415,331.55
Step by Step Solution
- Step 1: Write the proportion equation
837,853.20 : 1,256,779.80 = 276,887.70 : x - Step 2: Convert to fraction form
837,853.20/1,256,779.80 = 276,887.70/x - Step 3: Cross multiply
837,853.20x = 1,256,779.80 × 276,887.70 - Step 4: Simplify right side
837,853.20x = 347,986,868,228.46 - Step 5: Solve for x
x = 347,986,868,228.46/837,853.20 - Step 6: Final answer
x = 415,331.55
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Similar ratio
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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.