Finding the Fourth Proportional to 477,329.36, 658,815.18 and 302,786.96
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Solution
The fourth proportional to 477,329.36, 658,815.18 and 302,786.96 is: 417,909.86
Step by Step Solution
- Step 1: Write the proportion equation
477,329.36 : 658,815.18 = 302,786.96 : x - Step 2: Convert to fraction form
477,329.36/658,815.18 = 302,786.96/x - Step 3: Cross multiply
477,329.36x = 658,815.18 × 302,786.96 - Step 4: Simplify right side
477,329.36x = 199,480,645,554.05 - Step 5: Solve for x
x = 199,480,645,554.05/477,329.36 - Step 6: Final answer
x = 417,909.86
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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.