Finding the Fourth Proportional to 576,691.44, 795,856.71 and 318,581.70
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Solution
The fourth proportional to 576,691.44, 795,856.71 and 318,581.70 is: 439,655.19
Step by Step Solution
- Step 1: Write the proportion equation
576,691.44 : 795,856.71 = 318,581.70 : x - Step 2: Convert to fraction form
576,691.44/795,856.71 = 318,581.70/x - Step 3: Cross multiply
576,691.44x = 795,856.71 × 318,581.70 - Step 4: Simplify right side
576,691.44x = 253,545,383,628.21 - Step 5: Solve for x
x = 253,545,383,628.21/576,691.44 - Step 6: Final answer
x = 439,655.19
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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.