Finding the Fourth Proportional to 854,921.36, 1,178,917.80 and 568,488.08
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Solution
The fourth proportional to 854,921.36, 1,178,917.80 and 568,488.08 is: 783,932.59
Step by Step Solution
- Step 1: Write the proportion equation
854,921.36 : 1,178,917.80 = 568,488.08 : x - Step 2: Convert to fraction form
854,921.36/1,178,917.80 = 568,488.08/x - Step 3: Cross multiply
854,921.36x = 1,178,917.80 × 568,488.08 - Step 4: Simplify right side
854,921.36x = 670,200,716,599.82 - Step 5: Solve for x
x = 670,200,716,599.82/854,921.36 - Step 6: Final answer
x = 783,932.59
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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.