Finding the Fourth Proportional to 767,919.74, 1,059,940.05 and 445,733.63
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Solution
The fourth proportional to 767,919.74, 1,059,940.05 and 445,733.63 is: 615,234.77
Step by Step Solution
- Step 1: Write the proportion equation
767,919.74 : 1,059,940.05 = 445,733.63 : x - Step 2: Convert to fraction form
767,919.74/1,059,940.05 = 445,733.63/x - Step 3: Cross multiply
767,919.74x = 1,059,940.05 × 445,733.63 - Step 4: Simplify right side
767,919.74x = 472,450,923,072.46 - Step 5: Solve for x
x = 472,450,923,072.46/767,919.74 - Step 6: Final answer
x = 615,234.77
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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.