Finding the Fourth Proportional to 752.44, 1,037.73 and 634.99
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Solution
The fourth proportional to 752.44, 1,037.73 and 634.99 is: 875.75
Step by Step Solution
- Step 1: Write the proportion equation
752.44 : 1,037.73 = 634.99 : x - Step 2: Convert to fraction form
752.44/1,037.73 = 634.99/x - Step 3: Cross multiply
752.44x = 1,037.73 × 634.99 - Step 4: Simplify right side
752.44x = 658,948.17 - Step 5: Solve for x
x = 658,948.17/752.44 - Step 6: Final answer
x = 875.75
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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.