Finding the Fourth Proportional to 512,778.42, 767,673.18 and 298,892.28
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Solution
The fourth proportional to 512,778.42, 767,673.18 and 298,892.28 is: 447,467.32
Step by Step Solution
- Step 1: Write the proportion equation
512,778.42 : 767,673.18 = 298,892.28 : x - Step 2: Convert to fraction form
512,778.42/767,673.18 = 298,892.28/x - Step 3: Cross multiply
512,778.42x = 767,673.18 × 298,892.28 - Step 4: Simplify right side
512,778.42x = 229,451,587,065.05 - Step 5: Solve for x
x = 229,451,587,065.05/512,778.42 - Step 6: Final answer
x = 447,467.32
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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.