Finding the Fourth Proportional to 670,709.63, 925,581.71 and 364,785.99
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Solution
The fourth proportional to 670,709.63, 925,581.71 and 364,785.99 is: 503,405.98
Step by Step Solution
- Step 1: Write the proportion equation
670,709.63 : 925,581.71 = 364,785.99 : x - Step 2: Convert to fraction form
670,709.63/925,581.71 = 364,785.99/x - Step 3: Cross multiply
670,709.63x = 925,581.71 × 364,785.99 - Step 4: Simplify right side
670,709.63x = 337,639,240,408.24 - Step 5: Solve for x
x = 337,639,240,408.24/670,709.63 - Step 6: Final answer
x = 503,405.98
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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.