Finding the Fourth Proportional to 792.48, 1,093.12 and 572
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Solution
The fourth proportional to 792.48, 1,093.12 and 572 is: 789.00
Step by Step Solution
- Step 1: Write the proportion equation
792.48 : 1,093.12 = 572 : x - Step 2: Convert to fraction form
792.48/1,093.12 = 572/x - Step 3: Cross multiply
792.48x = 1,093.12 × 572 - Step 4: Simplify right side
792.48x = 625,264.64 - Step 5: Solve for x
x = 625,264.64/792.48 - Step 6: Final answer
x = 789.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.