Finding the Fourth Proportional to 556,885.28, 768,501.26 and 302,236.68
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Solution
The fourth proportional to 556,885.28, 768,501.26 and 302,236.68 is: 417,086.39
Step by Step Solution
- Step 1: Write the proportion equation
556,885.28 : 768,501.26 = 302,236.68 : x - Step 2: Convert to fraction form
556,885.28/768,501.26 = 302,236.68/x - Step 3: Cross multiply
556,885.28x = 768,501.26 × 302,236.68 - Step 4: Simplify right side
556,885.28x = 232,269,269,398.22 - Step 5: Solve for x
x = 232,269,269,398.22/556,885.28 - Step 6: Final answer
x = 417,086.39
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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.