Finding the Fourth Proportional to 799,778.08, 1,103,701.11 and 455,608.91
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Solution
The fourth proportional to 799,778.08, 1,103,701.11 and 455,608.91 is: 628,744.49
Step by Step Solution
- Step 1: Write the proportion equation
799,778.08 : 1,103,701.11 = 455,608.91 : x - Step 2: Convert to fraction form
799,778.08/1,103,701.11 = 455,608.91/x - Step 3: Cross multiply
799,778.08x = 1,103,701.11 × 455,608.91 - Step 4: Simplify right side
799,778.08x = 502,856,060,743.61 - Step 5: Solve for x
x = 502,856,060,743.61/799,778.08 - Step 6: Final answer
x = 628,744.49
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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.