Finding the Fourth Proportional to 650,487.20, 897,682.97 and 356,132.01
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Solution
The fourth proportional to 650,487.20, 897,682.97 and 356,132.01 is: 491,467.99
Step by Step Solution
- Step 1: Write the proportion equation
650,487.20 : 897,682.97 = 356,132.01 : x - Step 2: Convert to fraction form
650,487.20/897,682.97 = 356,132.01/x - Step 3: Cross multiply
650,487.20x = 897,682.97 × 356,132.01 - Step 4: Simplify right side
650,487.20x = 319,693,638,668.21 - Step 5: Solve for x
x = 319,693,638,668.21/650,487.20 - Step 6: Final answer
x = 491,467.99
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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.