Finding the Fourth Proportional to 901,615.27, 1,350,276.30 and 521,735.19
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Solution
The fourth proportional to 901,615.27, 1,350,276.30 and 521,735.19 is: 781,360.62
Step by Step Solution
- Step 1: Write the proportion equation
901,615.27 : 1,350,276.30 = 521,735.19 : x - Step 2: Convert to fraction form
901,615.27/1,350,276.30 = 521,735.19/x - Step 3: Cross multiply
901,615.27x = 1,350,276.30 × 521,735.19 - Step 4: Simplify right side
901,615.27x = 704,486,665,932.15 - Step 5: Solve for x
x = 704,486,665,932.15/901,615.27 - Step 6: Final answer
x = 781,360.62
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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.