Finding the Fourth Proportional to 556,884.78, 768,496.47 and 302,236.08
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Solution
The fourth proportional to 556,884.78, 768,496.47 and 302,236.08 is: 417,083.33
Step by Step Solution
- Step 1: Write the proportion equation
556,884.78 : 768,496.47 = 302,236.08 : x - Step 2: Convert to fraction form
556,884.78/768,496.47 = 302,236.08/x - Step 3: Cross multiply
556,884.78x = 768,496.47 × 302,236.08 - Step 4: Simplify right side
556,884.78x = 232,267,360,586.64 - Step 5: Solve for x
x = 232,267,360,586.64/556,884.78 - Step 6: Final answer
x = 417,083.33
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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.