Finding the Fourth Proportional to 970,548.20, 1,339,301.22 and 534,879.08
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Solution
The fourth proportional to 970,548.20, 1,339,301.22 and 534,879.08 is: 738,102.66
Step by Step Solution
- Step 1: Write the proportion equation
970,548.20 : 1,339,301.22 = 534,879.08 : x - Step 2: Convert to fraction form
970,548.20/1,339,301.22 = 534,879.08/x - Step 3: Cross multiply
970,548.20x = 1,339,301.22 × 534,879.08 - Step 4: Simplify right side
970,548.20x = 716,364,204,396.48 - Step 5: Solve for x
x = 716,364,204,396.48/970,548.20 - Step 6: Final answer
x = 738,102.66
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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.