Finding the Fourth Proportional to 854,193.34, 1,178,811.41 and 472,244.73
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Solution
The fourth proportional to 854,193.34, 1,178,811.41 and 472,244.73 is: 651,711.32
Step by Step Solution
- Step 1: Write the proportion equation
854,193.34 : 1,178,811.41 = 472,244.73 : x - Step 2: Convert to fraction form
854,193.34/1,178,811.41 = 472,244.73/x - Step 3: Cross multiply
854,193.34x = 1,178,811.41 × 472,244.73 - Step 4: Simplify right side
854,193.34x = 556,687,472,796.44 - Step 5: Solve for x
x = 556,687,472,796.44/854,193.34 - Step 6: Final answer
x = 651,711.32
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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.