Finding the Fourth Proportional to 854,105.40, 1,178,665.02 and 472,132.08
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Solution
The fourth proportional to 854,105.40, 1,178,665.02 and 472,132.08 is: 651,542.03
Step by Step Solution
- Step 1: Write the proportion equation
854,105.40 : 1,178,665.02 = 472,132.08 : x - Step 2: Convert to fraction form
854,105.40/1,178,665.02 = 472,132.08/x - Step 3: Cross multiply
854,105.40x = 1,178,665.02 × 472,132.08 - Step 4: Simplify right side
854,105.40x = 556,485,567,515.84 - Step 5: Solve for x
x = 556,485,567,515.84/854,105.40 - Step 6: Final answer
x = 651,542.03
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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.