Finding the Fourth Proportional to 556,945.93, 768,586.26 and 302,297.23
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Solution
The fourth proportional to 556,945.93, 768,586.26 and 302,297.23 is: 417,170.65
Step by Step Solution
- Step 1: Write the proportion equation
556,945.93 : 768,586.26 = 302,297.23 : x - Step 2: Convert to fraction form
556,945.93/768,586.26 = 302,297.23/x - Step 3: Cross multiply
556,945.93x = 768,586.26 × 302,297.23 - Step 4: Simplify right side
556,945.93x = 232,341,497,414.06 - Step 5: Solve for x
x = 232,341,497,414.06/556,945.93 - Step 6: Final answer
x = 417,170.65
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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.