Finding the Fourth Proportional to 556,910.68, 768,537.48 and 302,261.90
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Solution
The fourth proportional to 556,910.68, 768,537.48 and 302,261.90 is: 417,121.82
Step by Step Solution
- Step 1: Write the proportion equation
556,910.68 : 768,537.48 = 302,261.90 : x - Step 2: Convert to fraction form
556,910.68/768,537.48 = 302,261.90/x - Step 3: Cross multiply
556,910.68x = 768,537.48 × 302,261.90 - Step 4: Simplify right side
556,910.68x = 232,299,598,926.01 - Step 5: Solve for x
x = 232,299,598,926.01/556,910.68 - Step 6: Final answer
x = 417,121.82
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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.