Finding the Fourth Proportional to 507,049.12, 699,183.66 and 427,354.84
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Solution
The fourth proportional to 507,049.12, 699,183.66 and 427,354.84 is: 589,291.08
Step by Step Solution
- Step 1: Write the proportion equation
507,049.12 : 699,183.66 = 427,354.84 : x - Step 2: Convert to fraction form
507,049.12/699,183.66 = 427,354.84/x - Step 3: Cross multiply
507,049.12x = 699,183.66 × 427,354.84 - Step 4: Simplify right side
507,049.12x = 298,799,521,149.91 - Step 5: Solve for x
x = 298,799,521,149.91/507,049.12 - Step 6: Final answer
x = 589,291.08
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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.