Finding the Fourth Proportional to 447,883.63, 618,079.41 and 246,679.63
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Solution
The fourth proportional to 447,883.63, 618,079.41 and 246,679.63 is: 340,417.88
Step by Step Solution
- Step 1: Write the proportion equation
447,883.63 : 618,079.41 = 246,679.63 : x - Step 2: Convert to fraction form
447,883.63/618,079.41 = 246,679.63/x - Step 3: Cross multiply
447,883.63x = 618,079.41 × 246,679.63 - Step 4: Simplify right side
447,883.63x = 152,467,595,845.62 - Step 5: Solve for x
x = 152,467,595,845.62/447,883.63 - Step 6: Final answer
x = 340,417.88
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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.