Finding the Fourth Proportional to 689,571.57, 951,003.02 and 482,733.99
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Solution
The fourth proportional to 689,571.57, 951,003.02 and 482,733.99 is: 665,748.85
Step by Step Solution
- Step 1: Write the proportion equation
689,571.57 : 951,003.02 = 482,733.99 : x - Step 2: Convert to fraction form
689,571.57/951,003.02 = 482,733.99/x - Step 3: Cross multiply
689,571.57x = 951,003.02 × 482,733.99 - Step 4: Simplify right side
689,571.57x = 459,081,479,932.98 - Step 5: Solve for x
x = 459,081,479,932.98/689,571.57 - Step 6: Final answer
x = 665,748.85
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1.5x scale
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.