Finding the Fourth Proportional to 556,910.90, 768,537.41 and 302,262.09
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Solution
The fourth proportional to 556,910.90, 768,537.41 and 302,262.09 is: 417,121.88
Step by Step Solution
- Step 1: Write the proportion equation
556,910.90 : 768,537.41 = 302,262.09 : x - Step 2: Convert to fraction form
556,910.90/768,537.41 = 302,262.09/x - Step 3: Cross multiply
556,910.90x = 768,537.41 × 302,262.09 - Step 4: Simplify right side
556,910.90x = 232,299,723,789.79 - Step 5: Solve for x
x = 232,299,723,789.79/556,910.90 - Step 6: Final answer
x = 417,121.88
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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.