Finding the Fourth Proportional to 1,354,948.09, 2,032,422.98 and 344,145.85
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Solution
The fourth proportional to 1,354,948.09, 2,032,422.98 and 344,145.85 is: 516,218.99
Step by Step Solution
- Step 1: Write the proportion equation
1,354,948.09 : 2,032,422.98 = 344,145.85 : x - Step 2: Convert to fraction form
1,354,948.09/2,032,422.98 = 344,145.85/x - Step 3: Cross multiply
1,354,948.09x = 2,032,422.98 × 344,145.85 - Step 4: Simplify right side
1,354,948.09x = 699,449,932,290.90 - Step 5: Solve for x
x = 699,449,932,290.90/1,354,948.09 - Step 6: Final answer
x = 516,218.99
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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.