Finding the Fourth Proportional to 522,701.97, 721,582.11 and 350,556.95
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Solution
The fourth proportional to 522,701.97, 721,582.11 and 350,556.95 is: 483,938.52
Step by Step Solution
- Step 1: Write the proportion equation
522,701.97 : 721,582.11 = 350,556.95 : x - Step 2: Convert to fraction form
522,701.97/721,582.11 = 350,556.95/x - Step 3: Cross multiply
522,701.97x = 721,582.11 × 350,556.95 - Step 4: Simplify right side
522,701.97x = 252,955,620,048.25 - Step 5: Solve for x
x = 252,955,620,048.25/522,701.97 - Step 6: Final answer
x = 483,938.52
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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.