Finding the Fourth Proportional to 555,246.23, 765,843.46 and 383,229.23
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Solution
The fourth proportional to 555,246.23, 765,843.46 and 383,229.23 is: 528,582.78
Step by Step Solution
- Step 1: Write the proportion equation
555,246.23 : 765,843.46 = 383,229.23 : x - Step 2: Convert to fraction form
555,246.23/765,843.46 = 383,229.23/x - Step 3: Cross multiply
555,246.23x = 765,843.46 × 383,229.23 - Step 4: Simplify right side
555,246.23x = 293,493,594,689.05 - Step 5: Solve for x
x = 293,493,594,689.05/555,246.23 - Step 6: Final answer
x = 528,582.78
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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.