Finding the Fourth Proportional to 757,296.72, 1,044,883.08 and 462,871.92
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Solution
The fourth proportional to 757,296.72, 1,044,883.08 and 462,871.92 is: 638,649.32
Step by Step Solution
- Step 1: Write the proportion equation
757,296.72 : 1,044,883.08 = 462,871.92 : x - Step 2: Convert to fraction form
757,296.72/1,044,883.08 = 462,871.92/x - Step 3: Cross multiply
757,296.72x = 1,044,883.08 × 462,871.92 - Step 4: Simplify right side
757,296.72x = 483,647,037,415.11 - Step 5: Solve for x
x = 483,647,037,415.11/757,296.72 - Step 6: Final answer
x = 638,649.32
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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.